Environmental Emergencies Quiz

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Questions and Answers

What is a major concern when administering chemotherapy to a patient with anemia?

  • Enhanced immune response
  • Potential harm to all cell types (correct)
  • Increased risk of dehydration
  • Improved red blood cell production

Which electrolyte abnormality is expected 24 to 48 hours after chemotherapy treatment due to tumor lysis syndrome?

  • Hypocalcemia (correct)
  • Hypernatremia
  • Hypercalcemia
  • Hypomagnesemia

What is one of the primary symptoms of SIADH that requires immediate correction?

  • Severe muscle spasms
  • Serum sodium levels lower than 125 (correct)
  • Elevated blood pressure
  • Excessive urination

What is the appropriate management for spinal cord compression caused by a tumor?

<p>Corticosteroids, radiation therapy, or surgery (A)</p> Signup and view all the answers

In the management of burn victims, what action is critical if burns are present in the mouth and throat?

<p>Intubate as soon as possible (C)</p> Signup and view all the answers

Which symptoms are common in patients with neurogenic shock due to T6 and above injuries?

<p>Flushed warm skin in extremities and hypotension (A)</p> Signup and view all the answers

What is a critical respiratory consideration for injuries at the C3 to C5 level?

<p>Patients will require respiratory assistance (C)</p> Signup and view all the answers

What is a likely complication of severe abdominal trauma?

<p>Development of compartment syndrome (C)</p> Signup and view all the answers

What should be done with an impaled object in abdominal trauma?

<p>Leave it in place (A)</p> Signup and view all the answers

What is the primary treatment for tension pneumothorax?

<p>Immediate chest tube placement (C)</p> Signup and view all the answers

What can be a sign of compartment syndrome in long bone fractures?

<p>Decreased blood flow and swelling (D)</p> Signup and view all the answers

Which psychological issue is frequently associated with traumatic brain injury (TBI)?

<p>Post-Traumatic Stress Disorder (PTSD) (B)</p> Signup and view all the answers

What is a possible indicator of rhabdomyolysis related to significant muscle injury?

<p>Urine resembling sweet tea (B)</p> Signup and view all the answers

What should be done if a person is stung by a bee?

<p>Remove the sting with something flat or a blade. (A)</p> Signup and view all the answers

What is the first step to take in case of poisoning?

<p>Decontaminate by brushing off powder before showering. (A)</p> Signup and view all the answers

Which of the following is not a recommended action for an opioid overdose?

<p>Encourage the patient to walk around. (D)</p> Signup and view all the answers

What typically causes secondary injuries in spinal cord trauma?

<p>Causes of swelling, ischemia, and inflammation. (A)</p> Signup and view all the answers

What is a key indicator of spinal shock?

<p>Loss of deep tendon reflex and paralysis below the injury. (B)</p> Signup and view all the answers

In cases of poisoning, when should charcoal not be administered?

<p>If the patient has a bowel obstruction or abdominal issues. (C)</p> Signup and view all the answers

Why is it critical to address ABCs (Airway, Breathing, Circulation) before other treatments in poisoning cases?

<p>Because without stabilized ABCs, life-threatening conditions may worsen. (D)</p> Signup and view all the answers

What function does the phrenic nerve serve in spinal cord injuries?

<p>Controls respiratory function by affecting the diaphragm. (B)</p> Signup and view all the answers

What does an ESI level of 1 indicate?

<p>The patient has a life-threatening condition. (B)</p> Signup and view all the answers

What is the first priority in the primary survey?

<p>Airway and Cspine (C)</p> Signup and view all the answers

What is a key treatment step for someone experiencing heat stroke?

<p>Apply ice packs and monitor temperature (A)</p> Signup and view all the answers

In trauma care, when should uncontrolled circulation issues be addressed?

<p>Immediately, before addressing other injuries (B)</p> Signup and view all the answers

What is an important sign to monitor for in a dehydrated patient suffering from heat stroke?

<p>Tea-colored urine (A)</p> Signup and view all the answers

What is indicated by a lactate level greater than 4?

<p>Severe sepsis (C)</p> Signup and view all the answers

What complication is associated with severe sepsis affecting the respiratory system?

<p>Acute Respiratory Distress Syndrome (ARDS) (C)</p> Signup and view all the answers

What should be done first when treating hypothermia?

<p>Remove cold clothing (A)</p> Signup and view all the answers

Why is drowning in cold water seen as potentially less severe than drowning in warm water?

<p>Cold water reduces oxygen consumption in the body (A)</p> Signup and view all the answers

What should be monitored closely in patients with neutropenia?

<p>White blood cell count (D)</p> Signup and view all the answers

What is a key sign that antibiotic therapy may be too late in an infection?

<p>Rise in body temperature (A)</p> Signup and view all the answers

What is a common concern associated with cat bites?

<p>Deep puncture wounds leading to infection (D)</p> Signup and view all the answers

What should not be done when treating a drowning victim?

<p>Encourage the victim to drink water to recover (A)</p> Signup and view all the answers

What is the primary treatment for hypercalcemia in cancer patients?

<p>Administer bisphosphonates and hydration (B)</p> Signup and view all the answers

In which circumstance should prophylactic antibiotics be administered?

<p>Puncture wounds on hands or feet, 6 to 12 hours old (C)</p> Signup and view all the answers

What condition can hypothermia cause due to thickened blood?

<p>Clots and potential heart attacks (B)</p> Signup and view all the answers

Flashcards

Heat Stroke Treatment

Lower core temperature, use cold water immersion if possible, apply ice packs, administer cold fluids, monitor temperature and for dysrhythmias, provide 100% oxygen, and monitor urine output.

Heat Stroke Symptoms

Inability to sweat, high core temperature.

Hypothermia Treatment

Remove cold clothes, use warm blankets, active warming (warm fluids, bear huggers), and passive warming (blankets, warm room temp). Monitor ABCs and cardiac monitor, watch urine output.

Hypothermia Temperature Target

Maintain body temperature between 86°F and 90°F (29.4°C to 32.2°C).

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Cold Water Drowning Treatment

Monitor ABCs, administer oxygen, and warm if necessary. A cervical collar might be needed.

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Cat Bite Complications

Cat bites lead to deep puncture wounds, increasing infection risk.

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Dog Bite Complications

Dog bites cause broader, more extensive injuries due to their mouth structure.

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Wound with Antibiotics

Puncture wounds or wounds near joints on hands/feet, 6-12 hours old, require antibiotics.

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Sting Treatment

Remove the stinger, assess for allergies, administer epinephrine, antihistamines, and steroids as needed. Remove restrictive items like rings.

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Poisoning Decontamination

Brush off any powders, give a shower (carefully addressing ABCs first), and call poison control for guidance.

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Poisoning Treatment (Charcoal)

Activated charcoal can bind to toxins for elimination through the digestive system, but only in appropriate cases. Consider the patient's bowel health.

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Opioid Overdose Signs

Pinpoint pupils, loss of consciousness (LOC), slowed breathing, seizures, or hypoxia are potential signs.

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Opioid Overdose Treatment

Administer Narcan (naloxone), and monitor the person's breathing and other vital signs.

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Spinal Cord Injury Types

Primary injuries are visible (e.g., head lacerations), whereas secondary injuries (edema, ischemia) can lead to long-term effects.

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Spinal Cord Injury Complications

Edema compresses the spinal cord, reducing blood supply and potentially causing permanent damage and breathing issues (e.g. phrenic nerve)

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Spinal Shock Symptoms

Spinal cord swelling following an injury leads to lost reflexes, sensation, and paralysis below the injury.

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Neurogenic Shock

A life-threatening condition caused by spinal cord injuries (T6 and above) disrupting the sympathetic nervous system leading to decreased cardiac output, venous pooling, low blood pressure (systolic below 90), temperature dysregulation, and flushed warm skin followed by cold and clammy extremities.

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Respiratory Issues with Spinal Injuries

Spinal cord injuries at C3, C4, and C5 affect the diaphragm, requiring respiratory assistance. Injuries at T6 and above can lead to bradycardia, making the patient highly susceptible to orthostatic hypotension.

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Autonomic Dysreflexia

A life-threatening complication in patients with spinal cord injuries at T6 or above, characterized by severe hypertension, headache, nausea, and vasoconstriction. Triggered by stimuli below the injury level, like a full bladder or bowel.

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Tension Pneumothorax

A life-threatening condition where air accumulates in the chest cavity, compressing the lung and heart. Characterized by tracheal deviation, dyspnea, JVD, and decreased cardiac output.

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Flail Chest

A severe injury where multiple consecutive ribs are fractured, causing paradoxical chest wall movement (inward movement during inspiration).

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Abdominal Injuries: Impaled Objects

Do not remove impaled objects in abdominal injuries.

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FAST Exam

Focuses Abdominal Sonography for Trauma, an ultrasound used to assess abdominal injuries in trauma patients.

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Compartment Syndrome

A serious condition that occurs when pressure within a muscle compartment increases, restricting blood flow and potentially damaging tissues. Caused by large bone fractures, crush injuries, and other types of tissue damage.

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Trauma Triage (ESI)

A system used to categorize trauma patients based on severity of injury and urgency of care needed. Level 1 is most severe and requires immediate attention, with levels increasing numerically as severity decreases.

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Primary Survey (Trauma)

A rapid assessment of life-threatening conditions in a trauma patient. It focuses on ABCDE: Airway, Breathing, Circulation, Disability (neurological status), and Exposure (removing clothing for inspection).

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Secondary Survey (Trauma)

A more thorough examination of a trauma patient after stabilizing their life-threatening conditions. This includes a head-to-toe assessment, detailed vital signs, and investigations like lab tests and imaging.

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Sepsis Stages

A spectrum of illness caused by a severe infection. It progresses from SIRS (Systemic Inflammatory Response Syndrome) to Sepsis, Severe Sepsis, Septic Shock, and ultimately to MODS (Multiple Organ Dysfunction Syndrome).

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Lactate Level & Sepsis

A blood test indicating the body's ability to utilize oxygen. Levels above 4 are concerning for severe sepsis due to inadequate oxygenation.

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Neutropenia

A condition where the white blood cell count (especially neutrophils) is low, making the patient more vulnerable to infections.

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Thrombocytopenia

A condition with low platelet count, leading to increased bleeding risk.

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Hypercalcemia in Cancer

Elevated calcium levels in blood, commonly seen in cancer patients, especially those with bone cancer. It can cause various complications like dehydration, kidney failure, and cardiac issues.

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Hypercalcemia Treatment

Treatment involves increasing calcium excretion through fluids (saline), medications like bisphosphonates to lock calcium in bones, and promoting mobility.

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Tumor Lysis Syndrome

A dangerous complication of chemotherapy where the rapid breakdown of tumor cells releases large amounts of chemicals into the bloodstream, causing electrolyte imbalances (high potassium, high phosphate, low calcium), metabolic acidosis, and kidney damage.

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SIADH

A condition where the body produces too much antidiuretic hormone (ADH), causing the body to retain too much water, leading to low sodium levels (hyponatremia) and symptoms like confusion, decreased reflexes, and mental status changes.

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Superior Vena Cava Syndrome

A condition where the superior vena cava (a major vein carrying blood from the head, neck, and arms to the heart) is blocked, typically by a tumor. Symptoms include swelling in the face, neck, and arms, headache, and shortness of breath.

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Spinal Cord Compression

A serious condition where a tumor presses on the spinal cord, causing pain, weakness, numbness, and paralysis. The pain is typically worse when lying flat and better when sitting up.

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Burns & Intubation

Severe burns, especially those involving the mouth and throat, can lead to swelling and airway obstruction. Intubation is crucial to ensure a clear airway and avoid a life-threatening situation.

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Study Notes

Environmental Emergencies

  • Heat Stroke vs. Heat Exhaustion: Heat stroke is worse; victims cannot sweat.
  • Treating Heat Stroke: Lower core temperature using cold water immersion, ice packs, and fluids. Monitor temperature and heart rhythm. Prevent shivering. Monitor urine output; tea-colored urine indicates dehydration.
  • Hypothermia: Thickens blood, increasing risk of clots, heart attacks, and pulmonary embolisms. Remove cold clothes and use warm blankets, warm drinks, and active warming measures. Passive warming, like warm blankets and a warm room, is also important. Maintain body temperature between 86-90 degrees. Monitor ABCs (airway, breathing, circulation), cardiac function, and urine output due to dehydration.
  • Cold Water/Warm Water Drowning: Cold water slows down the body, increasing the chance of rescue. Injuries include pulmonary edema and ARDS. Treatment includes a cervical collar and immediate attention to ABCs. Treat with oxygen and active warming.

Bites

  • Cat bites are dangerous due to deep puncture wounds and potential infection. Prophylactic antibiotics are crucial.
  • Dog bites can involve larger areas and cause more extensive issues. Puncture wounds around joints or hands/feet require antibiotics within 6- to 12-hours. Rabies prevention is crucial, especially for wild animals.

Stings

  • Remove the stinger with a flat object or blade. Check for allergies and administer epinephrine, antihistamines, and steroids. Remove constricting items (rings, watches).

Poisoning

  • Decontaminate the victim by brushing off powders before a shower. Administering fluids is important if the patient is having respiratory or cardiac issues. Call poison control for details and direction. Charcoal binds to toxins and can be administered orally. Avoid charcoal for bowel obstructions or issues.

Opioid Overdose

  • Symptoms include pinpoint pupils, loss of consciousness, respiratory depression, seizures, and hypoxia. Administer Narcan and monitor ABCs.

Spinal Cord Injuries

  • Injuries are more concerning if not outwardly evident. Edema and ischemia are potential problems. Monitoring for respiratory (C3-C5) and neurogenic (T6 and above) issues are crucial. Watch pupils and breathing during treatment. Ensure proper positioning and bladder care.

Trauma

  • Tension pneumothorax is deadly and requires immediate needle decompression and chest tube placement. Monitor breathing and cardiac function; address tracheal deviation. Flail chest (multiple broken ribs) is a major concern. Pneumo and flail chest are identified by the observation of outward and inward movements of the chest.
  • Abdominal injuries: Do not remove impaled objects; stabilize the patient, monitor ABCs, and seek professional help.

Burns

  • Intubation (trachael or endotracheal) is critical for mouth and throat issues during burns. Burns require immediate hydration; the Parkland formula provides estimates.

TBI

  • Can be long term. Getting good sleep, being on a routine, and recognizing triggers can help manage PTSD related issues. Support groups and avoiding things that cause symptoms (cold or cough medicine, alcohol) are important parts of management.

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