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
Orthostatic syncope
B
Sick sinus syndrome
C
Transient ischemic attack
D
Vasovagal syncope
Concepts
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