Certified Clinical Medical Assistant Exam Practice Question

A medical assistant has performed an EKG on a patient with a regular heart rate of 180/min. The assistant should identify that the patient might be experiencing which of the following arrhythmias?

Correct Answer: B

Rationale: In this scenario, a heart rate of 180 beats per minute indicates a rapid heartbeat, which is classified as tachycardia.

Option A, atrial flutter, typically presents with a specific pattern on an EKG, often characterized by a "sawtooth" appearance, and while it can lead to tachycardia, it is not directly defined by the heart rate alone.

Option C, bradycardia, refers to a slower heart rate, typically below 60 beats per minute, making it inconsistent with the presented rate.

Option D, ventricular fibrillation, is a chaotic heart rhythm that is life-threatening and usually presents with no effective heartbeat, which is not applicable here.

Thus, tachycardia is the most accurate identification of the patient's condition.

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