Podcast
Questions and Answers
What is the primary purpose of the enzyme-linked immunosorbent assay (ELISA) in HIV testing?
What is the primary purpose of the enzyme-linked immunosorbent assay (ELISA) in HIV testing?
What is the recommended steroid dosage for a patient currently on steroids who is expected to experience post-op pain?
What is the recommended steroid dosage for a patient currently on steroids who is expected to experience post-op pain?
What indicates that a patient is considered HIV positive based on testing?
What indicates that a patient is considered HIV positive based on testing?
Which hormone does the thyroid gland NOT produce?
Which hormone does the thyroid gland NOT produce?
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What CD4 count is considered normal for adults?
What CD4 count is considered normal for adults?
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What condition is characterized by a deficiency of thyroid hormones leading to physical and mental development issues in infants?
What condition is characterized by a deficiency of thyroid hormones leading to physical and mental development issues in infants?
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What does a CD4:CD8 ratio that is low indicate?
What does a CD4:CD8 ratio that is low indicate?
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What should be done if a patient has stopped regular steroid usage for more than two weeks before a surgical procedure?
What should be done if a patient has stopped regular steroid usage for more than two weeks before a surgical procedure?
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Which statement is true regarding the p24 antigen and antibodies in HIV testing?
Which statement is true regarding the p24 antigen and antibodies in HIV testing?
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What is a potential consequence of a heart transplant recipient being on immunosuppressive drugs?
What is a potential consequence of a heart transplant recipient being on immunosuppressive drugs?
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What triggers the production of T3 and T4 in the thyroid gland?
What triggers the production of T3 and T4 in the thyroid gland?
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Which of the following is a sign of congestive heart failure?
Which of the following is a sign of congestive heart failure?
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What should be done if a patient has an artificial graft placed less than 6 months prior to an invasive dental procedure?
What should be done if a patient has an artificial graft placed less than 6 months prior to an invasive dental procedure?
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Which condition is associated with hypertension in terms of complications?
Which condition is associated with hypertension in terms of complications?
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What is a side effect of antihypertensive drugs that affects oral health?
What is a side effect of antihypertensive drugs that affects oral health?
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Which of the following factors would increase the risk of congenital heart disease?
Which of the following factors would increase the risk of congenital heart disease?
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Which symptom is specifically linked with left-sided heart failure?
Which symptom is specifically linked with left-sided heart failure?
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Which lifestyle factor increases the risk for coronary heart disease (CHD)?
Which lifestyle factor increases the risk for coronary heart disease (CHD)?
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What percentage of diabetics seen by dental healthcare workers are typically Type 2?
What percentage of diabetics seen by dental healthcare workers are typically Type 2?
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Which type of diabetes is characterized by requiring insulin for management?
Which type of diabetes is characterized by requiring insulin for management?
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Which of the following complications is most serious and associated with diabetes?
Which of the following complications is most serious and associated with diabetes?
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Which symptom is commonly associated with both Type 1 and Type 2 diabetes?
Which symptom is commonly associated with both Type 1 and Type 2 diabetes?
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What is the typical age of onset for Type 1 diabetes?
What is the typical age of onset for Type 1 diabetes?
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What is the primary treatment for managing hyperglycemia in diabetics?
What is the primary treatment for managing hyperglycemia in diabetics?
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Which of the following is a common oral finding in poorly controlled diabetes?
Which of the following is a common oral finding in poorly controlled diabetes?
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In cases of hypoglycemia, what is a recommended immediate action if the patient is conscious?
In cases of hypoglycemia, what is a recommended immediate action if the patient is conscious?
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What factor influences the likelihood of developing complications such as nephropathy in diabetes?
What factor influences the likelihood of developing complications such as nephropathy in diabetes?
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Which insulin type has an onset time of 1/4 hour?
Which insulin type has an onset time of 1/4 hour?
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What is the primary reason dental offices are prohibited from refusing treatment based on a patient's HIV status?
What is the primary reason dental offices are prohibited from refusing treatment based on a patient's HIV status?
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Which of the following statements correctly describes the principles regarding patient referrals for dental care?
Which of the following statements correctly describes the principles regarding patient referrals for dental care?
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What should be acquired before releasing any HIV-related information from dental records?
What should be acquired before releasing any HIV-related information from dental records?
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What is the median incubation period for HIV infection before signs of AIDS appear?
What is the median incubation period for HIV infection before signs of AIDS appear?
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Which of the following correctly states a mode of transmission for HIV among adults?
Which of the following correctly states a mode of transmission for HIV among adults?
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Which of the following conditions is specifically associated with HIV infection?
Which of the following conditions is specifically associated with HIV infection?
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As of the end of 2002, which Caribbean country had the highest estimated number of individuals living with HIV?
As of the end of 2002, which Caribbean country had the highest estimated number of individuals living with HIV?
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Which of the following represents the main concern for dental healthcare workers regarding current diseases?
Which of the following represents the main concern for dental healthcare workers regarding current diseases?
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Which of the following is a common precipitating factor for seizures?
Which of the following is a common precipitating factor for seizures?
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What does a negative EEG indicate in the context of seizures?
What does a negative EEG indicate in the context of seizures?
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Which medication is commonly associated with gingival hyperplasia as a side effect?
Which medication is commonly associated with gingival hyperplasia as a side effect?
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In which condition is ptosis a common early sign?
In which condition is ptosis a common early sign?
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What is the recommended positioning for a patient experiencing uncontrolled seizure activity?
What is the recommended positioning for a patient experiencing uncontrolled seizure activity?
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Which of the following medications is considered an anticholinergic used for drooling control?
Which of the following medications is considered an anticholinergic used for drooling control?
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What critical step should be taken if a patient exhibits multiple seizures lasting 30 minutes?
What critical step should be taken if a patient exhibits multiple seizures lasting 30 minutes?
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What is a common reason for xerostomia in individuals taking antidepressants?
What is a common reason for xerostomia in individuals taking antidepressants?
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What should be avoided when treating patients with CNS depression during dental care?
What should be avoided when treating patients with CNS depression during dental care?
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What type of tremors do patients with Parkinson’s Disease typically experience?
What type of tremors do patients with Parkinson’s Disease typically experience?
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What is the primary characteristic of Multiple Sclerosis?
What is the primary characteristic of Multiple Sclerosis?
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Which type of depression is characterized by a lack of personal hygiene and withdrawal?
Which type of depression is characterized by a lack of personal hygiene and withdrawal?
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What is a common concern during dental treatment for patients with Myasthenia Gravis?
What is a common concern during dental treatment for patients with Myasthenia Gravis?
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Which heart condition does NOT require antibiotic prophylaxis for infective endocarditis?
Which heart condition does NOT require antibiotic prophylaxis for infective endocarditis?
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What is a common early clinical presentation of infective endocarditis?
What is a common early clinical presentation of infective endocarditis?
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Which systemic manifestation is associated with infective endocarditis?
Which systemic manifestation is associated with infective endocarditis?
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Which laboratory finding is NOT used in the diagnosis of infective endocarditis?
Which laboratory finding is NOT used in the diagnosis of infective endocarditis?
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What treatment regimen is typically used for infective endocarditis?
What treatment regimen is typically used for infective endocarditis?
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Which patient group listed does require antibiotic prophylaxis for certain procedures?
Which patient group listed does require antibiotic prophylaxis for certain procedures?
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What describes Osler's nodes commonly seen in infective endocarditis?
What describes Osler's nodes commonly seen in infective endocarditis?
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What is the reported fatality rate for untreated infective endocarditis?
What is the reported fatality rate for untreated infective endocarditis?
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Which heart condition requires antibiotic prophylaxis due to an increased risk of bacteremia?
Which heart condition requires antibiotic prophylaxis due to an increased risk of bacteremia?
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What management consideration should be taken for a patient with prosthetic valve disease before an invasive dental procedure?
What management consideration should be taken for a patient with prosthetic valve disease before an invasive dental procedure?
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Which of the following is NOT a recommended strategy to manage a patient with angina pectoris during dental treatment?
Which of the following is NOT a recommended strategy to manage a patient with angina pectoris during dental treatment?
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What condition is suggested by the presence of a murmur related to a patent ductus arteriosus?
What condition is suggested by the presence of a murmur related to a patent ductus arteriosus?
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Which cardiac condition implies the presence of advanced arteriosclerosis and may require medication before dental procedures?
Which cardiac condition implies the presence of advanced arteriosclerosis and may require medication before dental procedures?
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For patients with Marfan syndrome, which cardiac risk should be closely monitored?
For patients with Marfan syndrome, which cardiac risk should be closely monitored?
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What is a critical step that dental healthcare workers must take for patients on anticoagulant therapy?
What is a critical step that dental healthcare workers must take for patients on anticoagulant therapy?
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What should dental healthcare workers be particularly cautious about in patients with a history of infective endocarditis?
What should dental healthcare workers be particularly cautious about in patients with a history of infective endocarditis?
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What is the implication of a CD4 count below 200 cells/mm3 in an adult?
What is the implication of a CD4 count below 200 cells/mm3 in an adult?
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What is the primary role of the Western blot test in HIV testing?
What is the primary role of the Western blot test in HIV testing?
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Which statement is true regarding pre- and post-test counseling in HIV testing procedures?
Which statement is true regarding pre- and post-test counseling in HIV testing procedures?
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What does a low CD4:CD8 ratio signify in a patient's immune profile?
What does a low CD4:CD8 ratio signify in a patient's immune profile?
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In what situation can involuntary testing of a patient’s blood for HIV occur?
In what situation can involuntary testing of a patient’s blood for HIV occur?
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What is the primary method for managing Type 2 diabetes?
What is the primary method for managing Type 2 diabetes?
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At what age is Type 1 diabetes most commonly diagnosed?
At what age is Type 1 diabetes most commonly diagnosed?
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Which diabetes-related complication is the most serious?
Which diabetes-related complication is the most serious?
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What symptom is least commonly associated with diabetes?
What symptom is least commonly associated with diabetes?
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Which type of diabetes generally requires insulin for management?
Which type of diabetes generally requires insulin for management?
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What means of evaluating a diabetic patient is most helpful in determining their management and compliance?
What means of evaluating a diabetic patient is most helpful in determining their management and compliance?
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Which complication is most strongly associated with an increased need for dialysis in diabetic patients?
Which complication is most strongly associated with an increased need for dialysis in diabetic patients?
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What is the characteristic breath odor associated with hyperglycemia?
What is the characteristic breath odor associated with hyperglycemia?
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What type of oral finding is commonly seen in poorly controlled diabetes patients?
What type of oral finding is commonly seen in poorly controlled diabetes patients?
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What is the best initial action for a conscious patient experiencing hypoglycemia?
What is the best initial action for a conscious patient experiencing hypoglycemia?
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What is necessary to prevent airway obstruction during dental procedures for patients with hemophilia?
What is necessary to prevent airway obstruction during dental procedures for patients with hemophilia?
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What oral manifestation is commonly seen in patients with polycythemia vera?
What oral manifestation is commonly seen in patients with polycythemia vera?
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Which platelet disorder is indicated by a platelet count of less than 25,000 mm3?
Which platelet disorder is indicated by a platelet count of less than 25,000 mm3?
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Which condition is considered a cause of thrombocytopenia?
Which condition is considered a cause of thrombocytopenia?
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What is the appropriate management for a patient with thrombocytopenia before invasive procedures?
What is the appropriate management for a patient with thrombocytopenia before invasive procedures?
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Which test primarily assesses the intrinsic pathway of coagulation?
Which test primarily assesses the intrinsic pathway of coagulation?
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What is a clinical sign of status asthmaticus?
What is a clinical sign of status asthmaticus?
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What is the typical treatment approach during a severe asthmatic attack?
What is the typical treatment approach during a severe asthmatic attack?
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Which finding is associated with significant risk status in asthma patients during dental appointments?
Which finding is associated with significant risk status in asthma patients during dental appointments?
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What is an essential preemptive strategy to prevent asthma attacks in a clinical setting?
What is an essential preemptive strategy to prevent asthma attacks in a clinical setting?
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What oral finding may indicate early signs of thrombocytopenia?
What oral finding may indicate early signs of thrombocytopenia?
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Which medication is likely to affect platelet function and needs to be reported during medical history screening?
Which medication is likely to affect platelet function and needs to be reported during medical history screening?
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In a patient with a recent prescription of radioactive phosphorus, which test is especially important before dental treatments?
In a patient with a recent prescription of radioactive phosphorus, which test is especially important before dental treatments?
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What is a notable challenge in managing bleeding disorders during dental treatment?
What is a notable challenge in managing bleeding disorders during dental treatment?
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What is a common oral manifestation of severe hypothyroidism due to hypo-pituitarism?
What is a common oral manifestation of severe hypothyroidism due to hypo-pituitarism?
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Which symptom is characteristic of acromegaly in adults?
Which symptom is characteristic of acromegaly in adults?
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What oral manifestation is associated with primary systemic amyloidosis?
What oral manifestation is associated with primary systemic amyloidosis?
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Which condition is characterized by an enzyme deficiency leading to yellow pigmentation of skin and oral manifestations?
Which condition is characterized by an enzyme deficiency leading to yellow pigmentation of skin and oral manifestations?
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What is the primary enzyme deficiency associated with Morquio syndrome?
What is the primary enzyme deficiency associated with Morquio syndrome?
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Which oral manifestation is commonly seen in children suffering from protein malnutrition, such as Kwashiorkor?
Which oral manifestation is commonly seen in children suffering from protein malnutrition, such as Kwashiorkor?
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In cases of vitamin A deficiency, which oral manifestation is typically noted?
In cases of vitamin A deficiency, which oral manifestation is typically noted?
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Which condition is represented by 'foam-cells in dental pulp' as an oral manifestation?
Which condition is represented by 'foam-cells in dental pulp' as an oral manifestation?
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What dental feature is commonly associated with Morquio syndrome?
What dental feature is commonly associated with Morquio syndrome?
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What oral finding is associated with systemic amyloidosis affecting the salivary glands?
What oral finding is associated with systemic amyloidosis affecting the salivary glands?
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Study Notes
Essentials of Medicine for Dentistry
- Presented by Dr. Doryck L. Boyd, DDS, Oral & Maxillofacial Pathologist, Associate Professor
- Focuses on cardiovascular diseases and their management in dental practice.
Cardiovascular Disease
- Dental patients may present with a confirmed history of cardiovascular disease (CVD) or signs/symptoms of CVD.
- Cardiac emergencies can arise during dental procedures.
- Dental Health Care Workers (DHCWs) must be prepared to manage these situations.
General Critical Management Guidelines
- Increased morbidity & mortality is a concern with undiagnosed CVD.
- Closely observe patients for signs/symptoms of CVD.
- Be aware of medication duration, dose, and potential side effects & interactions.
- Maintain close communication with the patient's physician.
- Prevent infection.
- Schedule early morning appointments to minimize stress.
- Lower stress leads to lower blood pressure.
- Safe levels of local anesthetic (LA) + epinephrine must be used.
- Aspirate to prevent injecting LA into blood vessels
Known Cardiac Patients
- Congenital heart defects like ventricular septal defect, idiopathic hypertrophic subaortic stenosis, bicuspid aortic valve complex HD (outflow), patent ductus arteriosus murmur, pulmonary stenosis, tetralogy of Fallot (outflow obstruction → decreased oxygen), Marfan syndrome, and cortication of aorta.
- Increased risk of bacteremia → endocarditis.
- Antibiotic prophylaxis is required.
- Marfan's syndrome: Congestive heart failure, aortic aneurysm rupture → death; in 2/3 of cases.
- Turner's syndrome (in women): Aortic complications.
- Tetralogy of Fallot: Usually corrected before dental treatment.
Acquired Cardiac Disease
- Mitral valve prolapse
- Degenerative heart disease
- Rheumatic valvular disease
- Asymmetric septal hypertrophy
- Syphilitic aortic valve disease
- Endocarditis
- Medical referral for current status
- Antibiotic prophylaxis for a history of infective endocarditis only.
Prosthetic Valve Disease
- Very high risk for infective carditis
- Anticoagulant therapy requires special precautions if invasive procedures are performed → bleeding
- Contact your physician; withdraw anticoagulant for 2 days prior to treatment.
Angina Pectoris
- Implies advanced arteriosclerosis.
- Premedicate with anti-anginal or sedative medications prior to stressful procedures.
- Hypotension after general anesthesia → myocardial infarction.
- Routine dental care for stable cases in recent months.
- Avoid elective care with unstable angina.
- Caution with dose of LA + epinephrine and aspirate while injecting.
- Schedule short morning appointments.
- Minimize stress.
- Monitor blood pressure & heart rate.
- Immediate medical attention should be available.
Recent MI (within 6 Months)
- Implies advanced arteriosclerosis.
- Written consultation with physician is recommended.
- Stress → re-infarction.
- Anticoagulant or aspirin may be required.
- Require recovery period → elective dentistry (3–6 months).
- Minimum LA + epinephrine.
- Schedule short, stress-less morning appointments.
- Monitor vital signs.
- Medical help nearby.
MI over 6 Months & Endocarditis
- Written consultation with physician is advisable.
- Stress → re-infarction.
- Anticoagulant or aspirin therapy may be required.
- Elective dental treatment with limited epinephrine.
- Ensure good pain control → less stress
- IV drug abusers have a high risk of recurrent endocarditis.
Arrhythmias (Abnormal Heart Beat/Rate)
- Most patients need no change in routine dental care.
- Effective anxiety control may be required; especially in advanced cases.
- Advanced cases → CVA (e.g., blindness, irregular speech, decreased limb sensitivity, hemiplegia)
- Stress or hypoxia (e.g., gauze, rubber dam) → increased arrhythmia.
- Limit epinephrine
- Monitor potassium levels if on diuretics.
Pacemaker & Congested Heart Failure
- Pacemaker: May imply a history of bradycardia (slow heart beat); Avoid external electromagnetic devices (electro-surgical units are the highest risk).
- Congested heart failure: Implies advanced heart disease, HBP, CHD, myopathy, valvular disease → high risk of mortality; May result in excessive metabolic demand.
Congested Heart Disease
- Medications and side effects can complicate dental treatment (e.g., diuretics & digitalis → nausea + vomiting).
- Avoid triggering gag reflex.
- Reduce stress. Stress increases workload on the heart.
- Treat the patient in a reclining chair position. Prone position to pulmonary congestion if retained in supine position for too long.
Heart Transplant Recipient
- Dental infections should be treated before a transplant.
- A medical consultation is a must.
- Patients may be on immunosuppressive drugs for life → increased susceptibility to infections.
- Cyclosporine → gingival hyperplasia
- Drug-induced xerostomia → increased caries + PDD & candidiasis.
Other Heart Defects
- Arterio-arterial or arterio-venous fistula → endocarditis
- Streptococccus viridans pericarditis may follow invasive dental treatment
- Artificial grafts with prosthetic material can be a site for hematogenous implantation of bacteria post invasive dental treatment. Prophylactic coverage if graft placed less than 6 months.
Hypertension
- Accelerates atherosclerosis → CHF + CVA
- Cardiovascular complications increase with age if BP is high.
- Renal failure & MI possible
- Minimal use of epinephrine
- Side effects of anti-hypertensive drug → postural hypotension, confusion, depression, xerostomia, loss of libido, angioedema, gingival enlargement.
- Compliance with medications is often a problem.
- Elective dental Rx deferred if BP not controlled.
- Classification of blood pressure (in adults over 18 years). The table with the categories and their ranges are included below. Note: The table of ranges is not included in the current dataset.
Cardiac Disease Signs & Considerations
- Gross obesity → risk for Coronary Heart Disease (CHD).
- Nicotine/alcohol → risk for CHD
- Xanthelasma → Hypercholesterolemia → CHD
- Elevated veins → Congested Heart Failure
- Clubbed fingers → congenital heart disease → CHD
- Nail cyanosis → CHD
- Swollen ankles → Right side Heart Failure
- Heart Murmur → Valvular disease, Hypertention, Congested Heart Disease (CHD), Atrial fibrillation.
- Abnormal BP → Hypertention, Congested Heart Failure
- Irregular pulse → atrial fibrillation.
- Chest tightness, Pain → Myocardial ischemia, Left side HF, Congested Heart Failure
- Dyspnea, SOB → Left side HF, Congested Heart Failure, CHD
- Orthopnea, SOB recumbent → LSHF, CHD
- Paroxysmal nocturnal dyspnea → LSHF, CHD
- Severe cramping, claudication → Atherosclerosis
- Xerostomia → Side effects of antihypertensive medications
- Orthostatic hypotension → side effects of antihypertensive medications
- Impotence → side effects of antihypertensive medications
- Depression → side effects of antihypertensive medications
- Headache
- Visual blurring → dizziness, lightheadedness
Emergency Cardiac Patient
- Familiarity of classical signs & symptoms of cardiac distress, and appropriate management is essential.
- Treatment of emergencies not within the scope of a Dental Health Care Worker (DHCW).
- Angina pectoris: Definition is a clinical term referring to brief paroxysmal thoracic pain and moderate intensity. The pain comes from ischemic heart disease.
Angina Pectoris (cont)
- Etiology: Coronary arteriosclerosis or more than 1 major coronary artery → transient myocardial oxygen demand > available oxygen supply.
- Clinical presentation: Effort or stress related substernal pressure, tightness or discomfort may radiate to the left shoulder, medial surface arm, jaw, throat, or neck.
Angina Pectoris (Emergency Treatment)
- Stop dental Rx, confirm the diagnosis, and eliminate precipitating factors.
- Calmly reassure and make the patient comfortable.
- Admin vasodilator (nitroglycerine 0.4 mg tabs sublingual). Repeat every 5 minutes up to 3 times (prn).
- Administer oxygen (2–4 liters/minute).
- Record vital signs
- If attack continues, call for help, start IV, and summon medical assistance to transport the patient to the ER.
Myocardial Infarction (MI)
- Definition: Irreversible myocardial damage resulting from prolonged ischemic injury.
- Etiology: Coronary artery atherosclerosis & thrombolytic vascular occlusion.
- Clinical Presentation: Severe prolonged substernal or chest pain radiating to either arm or mandible. Nausea, vomiting, sense of impending doom. Denial, insistence upon gastric distress.
Myocardial Infarction (Emergency Treatment)
- Reaffirm diagnosis.
- Summon medical assistance (926-5721)
- Administer nitroglycerin 0.4 mg sublingually
- Administer crushed aspirin (325 mg) if not allergic.
- Administer oxygen (2–4 liters/minute low).
- Start IV, administer analgesic (morphine 250 mg) and repeat as necessary (prnq 10 minutes).
- Monitor and record vital signs.
- Prepare to start CPR.
Cardiac Arrest
- Definition: Sudden cessation of cardiac function with disappearance of arterial BP, indicating ventricular fibrillation, tachycardia or ventricular standstill.
- Etiology: Myopathy or advanced atherosclerosis; coronary artery disease.
- Clinical Presentation: Mostly respiratory arrest precedes cardiac arrest. No pulse, BP, or heart beat; seizures are common.
Cardiac Arrest (Emergency Treatment)
- BLS (Basic Life Support).
- Recognize unconsciousness & confirm diagnosis.
- Summon medical assistance & initiate CPR with patient on a flat surface
- Open airway, check for breathing.
- Ventilate with 2 long breaths (1–1.5 seconds each).
- Check carotid pulse (lateral neck) and initiate external chest compressions (5:1 or 15:2).
- Arrange for defibrillation ASAP.
- Start IV, transport to ER.
... (Remainder of the notes remain the same)
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This quiz covers key concepts related to HIV testing using ELISA and aspects of thyroid function. It includes questions about HIV positivity indicators, steroid usage, and hormone production. Additionally, it addresses conditions related to hormonal imbalances and their implications.