CMC Certification Cardio Vascular 2

Question 1

A patient with ST-elevation in leads II, III, and aVF most likely has occlusion of which coronary artery?

Accepted Answer

Right coronary artery

Answer

Inferior ST-elevation (II, III, aVF) is classically caused by right coronary artery (RCA) occlusion, which supplies the inferior wall in most patients.

Question 2

Which hemodynamic parameter is most elevated in cardiogenic shock compared to distributive shock?

Accepted Answer

Pulmonary artery wedge pressure

Answer

Cardiogenic shock is characterized by elevated pulmonary artery wedge pressure (PAWP) reflecting left heart failure, whereas distributive shock has low SVR.

Question 3

What is the target INR range for a patient with a mechanical mitral valve replacement?

Accepted Answer

2.5–3.5

Answer

Mechanical mitral valves carry higher thromboembolic risk and require a therapeutic INR of 2.5–3.5 per ACC/AHA guidelines.

Question 4

During treadmill stress testing, which finding is considered a high-risk marker requiring urgent intervention?

Accepted Answer

ST depression ≥2 mm at low workload with hypotension

Answer

ST depression ≥2 mm at low workload accompanied by hypotension indicates severe ischemia and high-risk disease requiring urgent catheterization.

Question 5

A 68-year-old presents with exertional dyspnea and a harsh systolic ejection murmur at the right upper sternal border radiating to the carotids. Which finding on echocardiography confirms severe aortic stenosis?

Accepted Answer

Peak velocity >4 m/s

Answer

A peak aortic jet velocity >4 m/s corresponds to a severe pressure gradient and is a primary criterion for severe aortic stenosis by echocardiography.

CMC - Cardiac Medicine Certification Practice Test

CMC - Cardiac Medicine Certification Practice Test

CMC Certification Cardio Vascular 2