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Critical Care Medicine

Quick practice

Question 1 of 5

A 60-year-old man fell unconscious in a parking lot. He remembers getting out of his car but does not remember any other events. He felt mildly dizzy before and after the event. He has a history of hypertension well controlled with hydrochlorothiazide. Now, he is awake and alert. ECG shows sinus tachycardia. Which of the following is the most likely diagnosis?

A

Sick sinus syndrome

B

Transient ischemic attack

C

Vasovagal syncope

D

Orthostatic syncope

Concepts

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