Final Study Guide PDF
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Emmanuel College
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Summary
This study guide covers various medical topics, including blood transfusions, sickle cell disease, operating rooms, and more. It also touches on topics like tuberculosis, passive immunity, and hypertension. The guide includes questions for different chapters.
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Week 4 – Chapters 28 (1 question), CH. 29 – (2 questions) Blood transfusions - Make sure consent is obtained before - Follow protocol - Assessment of patient is on the nurse o Check allergies o Assess vitals o Assess lung...
Week 4 – Chapters 28 (1 question), CH. 29 – (2 questions) Blood transfusions - Make sure consent is obtained before - Follow protocol - Assessment of patient is on the nurse o Check allergies o Assess vitals o Assess lung sounds ▪ Assess for fluid overload ▪ If happens you may hear crackles -> give diuretic - 22 or high gauge for giving blood - Only with IV normal saline, no dextrose Sickle Cell - Shape of cell causes occlusion -> blood not flowing the way it should - Jump to get blood culture o See sensitivity of the pathogen - Make sure patient knows to avoid high altitude areas - Address pain - Hydration Week 5 – Chapters 14, (3 questions) 15 (2 questions) & 16 – (5 questions) Operating Room - Ask information from patient before surgery o Ask about pain management o Allergies are so important o Smoking history o Spiritual history ▪ Does anything calm them down? - Objective assessment o Vital signs o Have patient open mouth -> loose teeth ▪ Can aspirate o Consent is signed - Think about population taken to the OR - OR is very cold o Monitor older patients o Hypothermia o Give warm IV fluids - Have blood ready- typed and crossed - PTSD o Keep conversations professional - Monitor Neuro Status o Patients can become confused - Prevent complications o Push for incentive spirometer & deep coughing ▪ Prevent pneumonia and atelectasis o Encourage early ambulation - Skin breakdown -> protect pressure areas - Have a ride home if same day o Give them the drs number to call if they have problems Week 7 – Chapters 19 (10 questions) & 20 (3 questions) Review clinical manifestations for COPD, bronchitis and emphysema Pneumonia - Lethargic - Tachycardia/tachypnea - Increased tactile fremitus - Fatigued - Chest PT to move the mucus o Important nursing technique o Stop it they are in pain - Monitor for atelectasis o Increased heart rate o Increased breathing Emphysema - Poor elasticity - Air floating around alveoli - Hyper resonance - Tachypnic - Cachexic -> look sick - Barrel chested - Pursed lip breathing Bronchitis - Inflamed bronchi & mucus - Bloated/gain weight - Steroids o Check blood sugar ▪ Raises blood sugar ▪ Masks signs of hyperglycemia Asthma - Restrictive airway - Patient is wheezing - Inhaler -> albuterol o Bronchodilator - Know when to go to the ER - Peak flow o Asses how much air they can breath o Patient needs to stand cant be laying down - Caution with Chinese food due to additives - Wash clothes with hot water not warm -> kills bacteria Tuberculosis - PPD is positive -> larger than 10mm o Simply telling you the patient has exposure to mycobacteria o Next step is Chest X-ray ▪ If negative -> latent Isoniozide 6-9 months Vitamin B6 for tingling in the fingers o neuropathy ▪ Positive -> active Negative pressure room Treatment Airborne precautions Week 8 – Chapter 31 (2 questions) 33 – 0 Passive Immunity - From vaccines - From Birth Active - Formed immunity in the body - You fought an illness Lymphocytes - Recognition o Find the pathogen - Proliferation o Lymphocytes go back to lymphoid to tell them something wrong - Response o B cells form plasma cells & antibodies o Killer T cells go after bad guy - Effector o Fell better Week 9 – Chapters 21 (0 questions), & CH. 27 (8 questions) Hypertension - Know about untreated long term effects - Chronic Kidney Disease - Risk factors o Obesity o Smoking - Target BP of 120/80 - Control obesity and diabetes - Encourage exercise daily - Advise about beta-blockers o Slow rise after rest o May take time for effects to be seen o Don’t stop just like that need to ween o Don’t give when HR is lower than 60 - Hypertensive Emergency o BP > 180/120 ▪ Must be lowered immediately to prevent further organ damage o No more than 25% in first hour o Reduce to 160/100 within 2-6 hours o Gradual reduction to normal within 24-48 hours o Exceptions = ischemic stroke & aortic dissection o Medications: ▪ IV vasodilators Sodium nitroprusside Nitroglycerin - Hypertensive Urgency o BP > 180/120 o No evidence of immediate target of organ damage o Oral agents within 24-48 hrs to normalize BP ▪ Fast acting: Beta-blockers: labetalol ACE inhibitor: captopril Week 10 – Chapters 23 (5 questions) & 25 (5 questions) Angina - Ask patient what activity they were doing / precipitating factors - Gerontological considerations o Diminished pain with aging o Teach to recognize “chest pain like” symptoms -> weakness o Stress testing / cardiac catheterization - Stable o Happens during activity -> stops during rest o Predictable o Lasts short time < 5 minutes - Unstable (medical emergency) o Occurs during rest o Severe / lasts > 20 minutes o If doesn’t improve -> heart attack - Treatments: o Reduce myocardial oxygen demand & increase oxygen supply o Oxygen therapy o Reperfusion therapy -> thrombolytic drugs - Planning & Goals: o Awareness of disease process o Understanding of care plan and importance of adherence o Absence of complications - Nursing: o Treat angina ▪ Semi fowlers ▪ Assessment of patient: vitals, respiratory distress, assessment of pain, ECG ▪ Admin medications: nitro -> up to 3 doses ▪ Oxygen -> 2 L/min nasal cannula o Reduce anxiety o Prevent pain ▪ Plan activities Alternate rest / active o Education ▪ Avoid exercise in cold temps ▪ Diet low in fat/high in fiber ▪ Carry nitro! Follow up with provider Venous Leg ulcers - Due to potential cardiac insufficiency - Pay close attention to them - Diet o High calorie o They don’t normally eat as much -> helps metabolism o High protein Circulation - Address ineffective tissue perfusion Metabolic Issues - 3/5 risk factors o Waist circumference > 35.4 inches o HTN w/ systolic > 130 o Fasting glucose > 100 o Elevated triglycerides o Decrease in HDL CAD - Arteriosclerosis = blood vessels become thick & stiff & harden - Atherosclerosis = build up of fats/cholesterol/etc. on artery walls -> causes plaque o Endothelium changes & stopes making antithrombotic & vasodilating agents o Inflammation attracts inflammatory cells like macrophages o Macrophages ingest lips -> become foam cells -> transport lipids to artery wall = fatty streak - Stable & Unstable Plaque o Thick cap = stable -> resist blood flow/vessel movement o Thin cap -> leads to rupture -> attracts platelets/trhombus formation -> blocks blood flow -> MI - Encourage patient to express feelings Heart Failure - Structural or functional disorder that impairs ventricle ability to fill or eject blood o Unable to pump enough blood to meet body’s demands - Compensated o Initial stage o Structural & functional changes compensate for reduction of CO - Decompensated o End stage o No longer capable of compensating for reduced CO - Pathophysiology o Heart Damage -> decreased ventricular contraction o Tachycardia -> myocardial hyper trophy o Decreased CO -> decreased renal perfusion -> increased sodium retention -> increased osmotic pressure o Increased ADH -> water reabsorption -> edema -> fluid overload - Left Sided: Drowning heart o Left ventricles can’t pump blood effectively ▪ Backs up to lungs ▪ Pulmonary congestion Cyanosis/hypoxia/COE/fatigue ▪ Pulmonary Edema Restlessness/anxiety Cough with pink frothy sputum Paroxysmal nocturnal dyspnea Crackles ▪ Decrease CO Extra heart sounds S3 - Right Sided: o Cant eject blood effectively o Blood backs up or rest of the body – congestion of peripheral tissues ▪ Jugular Vein Distention ▪ Ascites -> increased abdominal girth/weight gain ▪ Pitting edema ▪ Liver congestion/hepatomegly -> nausea / vomit ▪ GI distress -> RUQ – liver pain - Diagnostic Tests: o Labs: ▪ BNP > 100 = HF ▪ Electrolytes ▪ CBC o EKG/ECG/CXR o Transesophageal echocardiography-TEE ▪ Noninvasive ultrasound ▪ Evaluated structural & functional changes Valve performance & shape of Heart & ejection fraction ▪ NPO 6 hours before! ▪ Bed rest post OP ▪ HOB elevated 45 degrees - Medications: o Diuretics -> decrease fluid volume ▪ Watch electrolytes ▪ Take in AM (avoid sleep interferences with peeing) ▪ Dailey weights for input & output o ACE inhibitors -> lowers BP ▪ Watch hypotension ▪ Cough ▪ Angioedema o Beta Blocker -> lowers HR -> lowers BP ▪ Prescribed with ACE ▪ Weeks before effects o Digitalis -> improves contractility ▪ Hypokalemia K+ & digoxin bind to same receptor -> low K+ increases digoxin ▪ Toxicity N/V -> anorexia Yellow/blue haze / halo vision - Decompensated IV Medications: o Immediate medical treatment o Dopamine: increase BP / myocardial contractility o Dobutamine: increase contractility ▪ Left ventricular dysfunction o Vasodilator: enhance symptom relief ▪ Nitro/nitropruisside - Gerontological o Atypical signs -> fatigue / weakness/ somnolence (drowsiness) o Decreased renal function -> resistant to diuretics o Fall risk - Nursing – Hospital setting o Bed rest for acute exacerbations o Vitals -> O2 therapy ▪ HOB elevated o Manage Fluid ▪ Assess weights o Psychological support - Nursing – Home setting o Encourage regular activity -> build up to 30 min daily ▪ Pace/modify activities to conserve energy ▪ Avoid extreme temperatures o Promote home & community care o Daily weight / I & O - Education: o Diet: Low sodium / fluid restriction o How & when to contact health care provider o Include family! - Pericardial Effusion -> fluid in pericardial sac o Cardiac Tamponade -> restriction of heart function because of fluid ▪ Decrease venous return ▪ Decreased CO o Manifestations: ▪ Falling systolic BP ▪ Narrowing pulse pressure Week 11 – Chapters 38 (3 questions) & 39 – (3 questions) -> GI Digestive & GI Health - Assessment o Health History: medical/surgical/social/family o Pain: characteristics/patterns/location/time o Stool habits/ characteristics ▪ Color: Bleeding from upper GI = tarry-black/foul odor (Melena) o Enzymes breaking down blood through GI tract o Peptic ulcers / NSAID overuse Bleeding from lower GI = bright or dark red - Diagnostic Tests o Guaiac-based fecal occult blood testing (gFOBT) ▪ Detects blood ▪ Avoid red meat/ aspirin/ NSAIDS & Vit C 72 hrs before test (false positive results) ▪ Mail paper slide to PCP/Lab ▪ Every year o FIT-fecal DNA ▪ Detects DNA from cancer or polyps ▪ Mail to PCP/Lab ▪ Every 3 years o Breath Test ▪ H pylori lives in mucus lining in stomach -> cause peptic ulcer disease ▪ Patient ingest carbon-labeled urea H. Pylori metabolized urea rapidly -> carbon absorbed quick Measured as CO2 in the expired breath ▪ Breath sample obtained 10-20 min later o Colonoscopy: ▪ Examines entire colon ▪ Every 10 years ▪ Sigmoidoscopy Examines lower colon Every 5 years ▪ Nursing: Pre procedure diet Meds to take (laxatives) Meds NOT to take (Coumadin/aspirin) -> bleeding Patient position -> left lateral Discharge plans -> ride o Endoscopy: ▪ Examines upper digestive system ▪ Nursing: NPO 8 hours before Assess gag reflex post OP - Gastroesophageal reflux Disease (GERD) o Backflow of gastric contents into esophagus o Management: ▪ Avoid eating or drinking 2 hours before bedtime ▪ Elevate HOB by at least 30 degrees - Cancer of Esophagus o Adenocarcinoma and Squamous cell carcinoma o Risk Factors: ▪ Chronic alcohol/tobacco ▪ GERD – esophagus irritation o Prevention: early diagnosis & treatment of GERD o Symptoms: Dysphagia / lump in throat feeling / regurgitation - Tube Feedings o Parenteral -> through a vein ▪ Bypasses entire digestive tract ▪ Used if GI not functioning or rest from disorder or surgery o Enteral -> tube to the stomach of small intestine ▪ Tube through nose of abdomen o Gastronomy tube -> directly through the stomach wall o Jejunostomy tube -> directly through intestine wall o Nursing: ▪ Confirm tube placement -> hospital policy ▪ Admin @ prescribed rate/ method / patient tolerance ▪ Flush before & after each medication / feeding ▪ Can’t hang longer than 4-8 hours ▪ hydration/weights/skin integrity ▪ Patient education Week 13 – Chapter 47 (3 questions), CH. 49 (13 questions), CH 62 (11 questions) Kidney & Urinary Systems - Regulates fluid & electrolytes - Kidneys regulate: o Fluid & electrolyte balance o Acid-base balance (ABG) o Blood pressure - Gerontological Considerations o More susceptible to kidney injury due to structural and functional changes ▪ Decreased blood flow ▪ Fluid volume deficit – encourage drinking frequently ▪ Decreased drug clearance = increased drug-drug interactions - Assessment Findings: o History of renal or urinary test, surgery, procedures, UTI o Hesitancy/ straining to pee/ frequency o Urinary incontinence: ▪ Stress: involuntary leaking during activities that increase abdominal pressure (sneezing/couging) Pelvic floor therapy ▪ Urge: sudden/intense urge -> leak before reach bathroom ▪ Overflow: frequent dribbling due to incomplete emptying ▪ Functional: physical or cognitive impairments prevent access to toilet ▪ Patient Education: Management takes time -> give support & encouragement Use voiding log / diary - Tests: o Urinalysis/ urine culture o Creating clearance test: ▪ Compares amount of creatinine in blood to amount in urine ▪ 24 hours urine collection - Urinary Tract Infection - (UTI) o Risk Factors: ▪ Bacteria in urinary tract ▪ Urine backflow from bladder ▪ Shorter urethra in women o Prevention: ▪ Lots of water ▪ Hygiene ▪ Empty bladder before & after sex o Assessment: ▪ Pain/burning when peeing ▪ Nocturia/ incontinence/ hematuria o Gerontological considerations ▪ Delirium -> low grade fever o Nursing: ▪ Relieve pain Phenazopyridine -> change color of urine to reddish orange / stain contact lenses Heat to perineum ▪ Give antibiotics Provide fluconazole prophylactic if prone to yeast infections ▪ Increase fluid -> frequent voiding - Urolithiasis (kidney stone) / Nephrolithiasis (urinary tract stone) o Causes: ▪ Build up of calcium and hard deposits ▪ Diet ▪ Excess body weight o Symptoms: ▪ Depends on: Location size of stone Presence of obstruction or infection ▪ Pain ▪ Hematuria o Diagnosis: ▪ CT / blood chemistry ▪ 24 urine collection Strain all urine & save stones o Nursing: ▪ Hydration! -> can help pass o Patient Education: ▪ Diet to reduce change of kidney stones Rhubarb/beets/spinach/sweet potatoes/nuts - Urinary Tract Cancers o Bladder cancer = leading cause of death ▪ Smoking increases risk by 50% o Symptoms: ▪ Visible/ painless hematuria ▪ Pelvic/ back pain o Diagnosis: ▪ Ureteroscopy / CT / MRI Stroke - Blood clot blocks artery -> blood supply to brain is interrupted - Risk Factors: o Atrial Fibrillation -> blood pools in atrium o Arteriosclerosis o TIA – transient ischemic stroke o Diabetes / smoking / obesity / oral contraceptives o Uncontrolled HTN - Pathophysiology o The brain cant store O2 / glucose / nutrients o Arterial blood flow brings O2 to brain o Venous blood takes CO2 & lactic acid away o If blood supply is interrupted more than a few minutes-> cerebral tissue dies -> infarction o CO2 cant leave brain & O2 cant get to the brain = cell death ▪ High CO2 -> cerebral vasodilation -> edema ▪ Low O2 -> cerebral vasodilation -> edema o Edema -> increase intracranial pressure (ICP) - Diagnostics: o CT / MRI / PET / EEG / 12 lead EKG - Ischemic o Disruption of blood caused by obstruction o Thrombotic ▪ Takes time ▪ Don’t see symptoms right away ▪ Atherosclerotic blood vessels -> clot occludes vessel ▪ Symptoms worsen over 72 hours due to increased cerebral edema Observe neurological changes o Embolic ▪ Sudden onset Maximum deficit at onset ▪ Usually emboli from heart ▪ Rapid neuro changes ▪ Middle cerebral artery mostly affected ▪ Give TPA to dissolve the clot o Manifestations: ▪ Speech / visual problems ▪ Confusion / change in mental status ▪ Facial droop ▪ Difficult walking ▪ Numbness / weakness of face/ leg / arm -> especially on one side o Management: ▪ Prompt diagnosis and treatment ▪ Thrombolytic therapy (tPA) Assess criteria & eligibility Must be given within 3-4.5 hours after first stroke symptoms Side effects: potential bleeding - Transient Ischemic Attack o Temporary stoke / lack of blood flow to part of brain o “Warning of impending stroke” o Symptoms last few minutes to less than 1 hour ▪ Could damage brain with repeated insults ▪ Depends on affected part of the brain o Prevention / Treatment ▪ Antiplatlet therapy ▪ Statins -> reduce LDL levels ▪ Surgical: carotid endarterectomy Remove plaque build up in artery - Hemorrhage o Bleeding into brain tissue / ventricles / or subarachnoid space o Causes: ▪ Spontaneous rupture of small vessels -> hypertension ▪ Subarachnoid hemorrhage-> ruptured aneurysm ▪ Intracerebral hemorrhage Arterial venous malformations Intracranial aneurism ▪ Anticoagulants o Brain metabolism disrupted -> exposure to blood o Increased ICP caused by blood in subarachnoid space o Intracerebral: ▪ Bleed into brain ▪ Sudden onset ▪ Symptoms rapid -> poor prognosis ▪ HTN / brain tumors / anti-coagulants o Intracranial (cerebral aneurysm) ▪ Dilation of cerebral arterial wall due to weakness ▪ Cause = unknown Predisposing factors: o HTN / congenital defect / trauma ▪ Blood supply decreases distal to the bleed o Manifestations: ▪ Worst headache of my life ▪ Altered LOC -> early sign of ICP ▪ Photophobia ▪ Stiff neck ▪ Nausea / vomiting ▪ Fixed dilated pupils o Thrombolytic therapy is contraindicated - Nursing For Stroke: o Maintain airway & ventilation ▪ Raise HOB unless contraindicated ▪ Oxygen therapy o Improving mobility / preventing joint deformities ▪ Approach patient from unaffected side ▪ Establish exercise program Help out of bed ASAP Remove clutter Seizure precautions o Bowel & Bladder control ▪ Prevent constipation-> stool softeners/ fiber/ fluid / toilet schedule o Simple Communication o Family Education o Nutrition ▪ Consult with speech therapy or nutrition services ▪ Have patient sit upright ▪ Thickened liquids or puréed diet ▪ Chin tuck -> double swallow method - Right Hemisphere CVA / Stroke o Impulsiveness / lack of awareness about deficits o Paralysis / weakness on left side ▪ Left visual deficit o Lack of inhibition / humor o Agnosia: ▪ Loss of ability to recognize objects through particular sensory system Visual / auditory / tactile o Worry about safety - Left Hemisphere CVA / Stroke o Aphasia o Paralysis or weakness on right side of body ▪ Right visual deficit o Slow / cautious behavior o Quick to anger / frustration ▪ Changes in function and communication - Home Care / Education o Prevention / signs & symptoms of complications o Medication education -> anti hypertensive o Safety measures ▪ Use of assistive devices for ADLS o Nutrition: ▪ Diet ▪ Swallow techniques ▪ Tube feeding o Elimination: ▪ Bowel & bladder programs ▪ Catheter use o Social support - Encourage deep breathing o Helps prevent atelecteis/ pneumonia Week 14 - Chapter 45 – 21 questions Endocrine System - Hormones Regulate: o Growth / development o Homeostasis o Metabolism o Reproduction - Negative Feedback Mechanisms - Thyroid o T3 – active o T4 – inactive o Calcitonin ▪ Secreted in response to high calcium levels ▪ Increases calcium deposit into bone o Function: ▪ Metabolism -> increase oxygen consumption / respiration rate / and body temperature o Negative Feedback ▪ Hypothalamus detects change in serum levels -> releases Thyrotoropin-releasing hormone (TRH) ▪ Stimulates anterior pituitary to release Thyroid Stimulating hormone (TSH) ▪ Stimulates Thyroid to release Thyroid hormones (T3 & T4) o Diagnostic Tests: ▪ TSH -> most sensitive test ▪ T3 / T4 / Thyroid antibodies ▪ Radioactive iodine uptake - Hypothyroidism o Primary: most common ▪ Autoimmune thyroiditis -> Hashimoto disease ▪ Loss of thyroid gland -> removal o Secondary: ▪ Anterior pituitary malfunction -> TSH o Tertiary (central): ▪ Hypothalamus malfunction (TRH) o Pathophysiology: ▪ Iodine necessary for thyroid to synthesize / secrete hormones ▪ Insufficient iodine / suppressed TH / increased TSH -> gland hypertrophy Goiter ▪ Deceased TH leads to slowed metabolism o Manifestations: ▪ Neurological: lethargy ▪ Weight: weight gain ▪ Environment: cold intolerance ▪ Skin: dry ▪ Hair & Nails: coarse hair/ tendency to break/ dry nails ▪ GI: constipation ▪ Menstrual: menorrhagia (heaving bleeding) ▪ Reflexes: hyporeflexia ▪ Cardiac: Bradycardia ▪ Labs: Increase TSH Decrease T3 & T4 o Medications: ▪ Synthroid Take first thing in the morning -> don’t eat before Cardiac Assessment o Increased BP / HR Diet: o Low Calorie o Increased Fiber / Water / iodized salt - Hyperthyroidism o Graves’ disease -> autoimmune: most common form o Thyrotoxicosis: excessive output of thyroid hormone ▪ Thyroid storm o Circulating antibodies (TSH-R Ab) bumps TSH from role o Hyper metabolic -> leads to burnout o Progress to hypothyroidism overtime o Decrease TSH o Increase T3 & T4 o Manifestations: OPPOSITE OF HYPOTHYROIDISM ▪ Neurological: nervous / tremors ▪ Weight: weight loss ▪ Environment: heat intolerance ▪ Skin: warm / moist ▪ Hair / Nails: fine hair & thin nails ▪ GI: loose stools / increased appetite ▪ Cardiac: elevated systolic BP / tachycardia / dysrhytmias o PTU ▪ Safe for pregnancy o Therpazol - Post Thyroid surgery o Need suction o Oxygen o Trach kit o Know the trach size Total – 100 Select all that apply: 16 NGN - 3