1. In a patient with bradycardia, what is the most common underlying

rhythm on the ECG?

A) Sinus tachycardia

B) Sinus bradycardia

C) Atrial fibrillation

D) Ventricular tachycardia

Answer: B) Sinus bradycardia

Rationale: Sinus bradycardia is the most common underlying rhythm in

patients with bradycardia.

2. What is considered a normal heart rate range in adults?

A) 30-60 bpm

B) 60-100 bpm

C) 100-150 bpm

D) 150-200 bpm

Answer: B) 60-100 bpm

Rationale: A heart rate of 60-100 bpm is considered normal in adults.

3. Which of the following can cause bradycardia?

A) Fever

B) Hypotension

C) Hypokalemia

D) Hyperventilation

Answer: C) Hypokalemia

Rationale: Hypokalemia can cause bradycardia by affecting the electrical

conduction of the heart.

4. What is the treatment of choice for symptomatic bradycardia?

A) Atropine

B) Adenosine

C) Epinephrine

D) Dopamine

Answer: A) Atropine

Rationale: Atropine is the first-line treatment for symptomatic

bradycardia.

5. Which of the following is a potential complication of untreated

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jordancarter 7 months ago

This study guide is clear, well-organized, and covers all the essential topics. The explanations are concise, making complex concepts easier to understand. It could benefit from more practice questions, but overall, it's a great resource for efficient studying. Highly recommend!

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