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Cardiovascular Emergencies Flashcards

7 cards from real AEMCA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Cardiovascular Emergencies flashcards as text

  1. A patient presents with crushing chest pain radiating to the left jaw, diaphoresis, and nausea. Which coronary artery is most commonly occluded in an anterior wall MI?

    Answer: Left anterior descending artery

    The left anterior descending (LAD) artery supplies the anterior wall of the left ventricle and is most commonly occluded in anterior MI.

  2. When applying a 12-lead ECG, which limb lead placement error will invert Lead I and reverse aVR and aVL?

    Answer: Swapping RA and LA electrodes

    Swapping the right arm (RA) and left arm (LA) electrodes inverts Lead I and reverses the augmented limb leads aVR and aVL.

  3. A patient in ventricular fibrillation receives a defibrillation shock. What is the IMMEDIATE next step after the shock is delivered?

    Answer: Resume CPR for 2 minutes

    Current AHA guidelines require immediate resumption of CPR for 2 minutes after a defibrillation shock before rhythm and pulse checks.

  4. Which ECG finding is most characteristic of hyperkalemia-induced cardiac toxicity?

    Answer: Peaked (tall, narrow) T waves

    Hyperkalemia classically causes tall, peaked, narrow T waves as an early sign of cardiac toxicity.

  5. A patient with known heart failure presents with severe dyspnea, pink frothy sputum, and SpO2 of 84%. After high-flow oxygen, what is the priority pharmacological intervention?

    Answer: Furosemide IV 40–80 mg

    IV furosemide reduces preload by promoting diuresis and venodilation, directly addressing pulmonary edema in acute decompensated heart failure.

  6. During assessment of a pulseless patient, the monitor shows organized electrical activity at 80 bpm. What condition must be considered first?

    Answer: Pulseless electrical activity (PEA)

    Organized electrical activity without a palpable pulse defines pulseless electrical activity (PEA), requiring CPR and identification of reversible causes.

  7. Which reversible cause of PEA is suggested by distended neck veins, absent breath sounds on the left, and tracheal deviation to the right?

    Answer: Tension pneumothorax

    Tension pneumothorax causes JVD, absent breath sounds on the affected side, and tracheal deviation away from the affected side, and is a reversible cause of PEA.