ARDMS Echo Cardiac Hemodynamics 2

Question 1

What is the normal range for left ventricular ejection fraction (LVEF) by echocardiography?

Accepted Answer

55–70%

Answer

35–55%

Answer

40–60%

Answer

60–80%

Question 2

Which index is most commonly used to assess LV diastolic function grade when E/A ratio is 0.8–2.0 and E/e' is borderline?

Accepted Answer

Pulmonary vein systolic/diastolic ratio and TR velocity

Answer

IVRT alone

Answer

Mitral A duration alone

Answer

Peak A velocity alone

Question 3

What does the TAPSE measurement reflect in echocardiography?

Accepted Answer

Right ventricular systolic function

Answer

Left ventricular systolic function

Answer

Tricuspid valve area

Answer

Pulmonary vein flow

Question 4

Which hemodynamic parameter is estimated from the diastolic deceleration time of the pulmonary regurgitation jet?

Accepted Answer

Pulmonary artery diastolic pressure

Answer

Left atrial pressure

Answer

Right ventricular end-diastolic pressure

Answer

Pulmonary artery systolic pressure

Question 5

What does an LV dP/dt less than 1200 mmHg/s indicate in echocardiography?

Accepted Answer

Reduced LV systolic function

Answer

Normal LV contractility

Answer

Elevated preload

Answer

Diastolic dysfunction

Question 6

In a patient with constrictive pericarditis, what respiratory variation pattern is expected in mitral E velocity?

Accepted Answer

>25% variation with respiration

Answer

<10% variation with respiration

Answer

Fixed high E velocity regardless of respiration

Answer

Absent E velocity on expiration