CCI Echocardiography Techniques and Applications

Question 1

Which echocardiographic view is obtained by placing the transducer at the left parasternal border to visualize the long axis of the heart?

Accepted Answer

Parasternal long-axis view

Answer

Apical four-chamber view

Answer

Subcostal view

Answer

Suprasternal notch view

Question 2

In M-mode echocardiography, which measurement is used to calculate left ventricular ejection fraction using the Teichholz method?

Accepted Answer

Left ventricular end-diastolic and end-systolic dimensions

Answer

Mitral valve E-point septal separation only

Answer

Peak aortic velocity

Answer

Right ventricular diameter

Question 3

What does an E/A ratio greater than 2 with a short deceleration time indicate in Doppler assessment of mitral inflow?

Accepted Answer

Grade III restrictive diastolic dysfunction

Answer

Normal diastolic function

Answer

Grade I diastolic dysfunction (impaired relaxation)

Answer

Pseudonormal filling pattern

Question 4

Which Doppler modality uses a sample volume placed at a fixed depth and provides spectral analysis of flow at that specific location?

Accepted Answer

Pulsed wave Doppler

Answer

Continuous wave Doppler

Answer

Color flow Doppler

Answer

Tissue Doppler imaging

Question 5

During a transesophageal echocardiogram (TEE), which structure is best visualized in the mid-esophageal four-chamber view?

Accepted Answer

All four cardiac chambers and AV valves

Answer

Aortic arch

Answer

Descending thoracic aorta

Answer

Left atrial appendage

Question 6

What is the significance of a left ventricular wall motion score index (WMSI) greater than 1.0 on stress echocardiography?

Accepted Answer

Evidence of regional wall motion abnormalities suggesting ischemia or infarction

Answer

Normal myocardial function throughout

Answer

Hyperdynamic left ventricular function

Answer

Right ventricular pressure overload