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Cardiac Care & Emergency Pharmacology Flashcards

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

Read the first 7 Cardiac Care & Emergency Pharmacology flashcards as text
  1. A patient is taking sildenafil and presents with chest pain. Which medication must be withheld?

    Answer: Nitroglycerin

    Nitroglycerin is absolutely contraindicated within 24-48 hours of phosphodiesterase-5 inhibitor (e.g., sildenafil) use due to the risk of severe, refractory hypotension.

  2. Which finding on a 12-lead ECG is pathognomonic of hyperkalemia in a critical patient?

    Answer: Peaked T waves with widened QRS

    Severe hyperkalemia produces peaked (tent-shaped) T waves followed by widening of the QRS complex as potassium rises, reflecting slowed ventricular conduction.

  3. A patient in VF arrest has received epinephrine and two shocks. Amiodarone 300 mg is given. When is the next dose of amiodarone appropriate?

    Answer: 150 mg after 2-minute CPR cycle and reassessment

    A second dose of amiodarone 150 mg IV may be given after completing a 2-minute CPR cycle and reassessing if VF/pVT persists.

  4. Which of the following is the most appropriate prehospital intervention for a patient with suspected cardiac tamponade?

    Answer: IV fluid bolus to maintain preload and rapid transport

    Prehospital management of cardiac tamponade focuses on maintaining preload with IV fluids and rapid transport for pericardiocentesis in hospital.

  5. A patient has a BP of 60/40 and is unresponsive after a syncopal episode. The monitor shows sinus bradycardia at 28 bpm. Transcutaneous pacing is initiated. What confirms electrical capture?

    Answer: Wide QRS complexes after each pacer spike with a palpable pulse

    Electrical capture is confirmed by a wide QRS following each pacer spike, and mechanical capture requires a corresponding palpable pulse.

  6. Sodium bicarbonate is indicated in cardiac arrest caused by which of the following?

    Answer: Hyperkalemia-induced cardiac arrest

    Sodium bicarbonate can help shift potassium intracellularly, making it useful in hyperkalemia-induced cardiac arrest or arrest associated with tricyclic antidepressant overdose.

  7. A patient with Wolff-Parkinson-White (WPW) syndrome develops atrial fibrillation. Which medication is dangerous?

    Answer: Adenosine

    Adenosine blocks the AV node but can accelerate conduction through the accessory pathway in WPW with AF, potentially precipitating ventricular fibrillation.