Sunday, May 21, 2017

Repeated USMLE Questions Step 1 - 153

A 67 year old man is brought to the emergency room by his colleagues for a possible heart attack. One hour ago, he felt excruciating chest pain, shortness of breath and nausea. ECG shows elevation of ST segment in leads 11, 111 and aVF. Therapy is initiated and the patient starts feeling better. ER physician explains to the patient mechanism of action of different drugs used in the treatment.

Which of these drugs is responsible for rapid reperfusion in this patient?

A- Aspirin

B- tPA

C- Ticlopidine

D- Argatroban


tPA is the only drug of the above choices which mechanism of action is mainly reperfusion of the affected site.

The correct answer is B

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