CVT CVT Cardiac Imaging & Nuclear Cardiology

Question 1

In nuclear cardiology, which radiopharmaceutical is most commonly used for myocardial perfusion imaging (MPI)?

Accepted Answer

Technetium-99m sestamibi (MIBI)

Answer

Thallium-201

Answer

Fluorine-18 FDG

Answer

Indium-111

Question 2

A 'fixed defect' on nuclear myocardial perfusion imaging indicates:

Accepted Answer

Infarction with non-viable myocardium (scar tissue)

Answer

Ischemia that resolves with rest

Answer

Normal perfusion in all phases

Answer

Artifact from patient motion

Question 3

Which cardiac imaging modality provides the highest spatial resolution for coronary artery anatomy?

Accepted Answer

Cardiac CT angiography (CCTA)

Answer

Transthoracic echocardiography

Answer

Nuclear SPECT imaging

Answer

Holter monitoring

Question 4

The Agatston score obtained from cardiac CT quantifies:

Accepted Answer

Coronary artery calcium burden as a marker of atherosclerosis

Answer

Left ventricular ejection fraction

Answer

Aortic valve area

Answer

Pericardial effusion volume

Question 5

What does LVEF stand for and what is the normal range in adults?

Accepted Answer

Left Ventricular Ejection Fraction; normal ≥55%

Answer

Left Ventricular End-diastolic Function; normal ≥45%

Answer

Left Ventricular Ejection Fraction; normal ≥35%

Answer

Left Ventricular Effort Factor; normal ≥65%

Question 6

In cardiac MRI, late gadolinium enhancement (LGE) is used to detect:

Accepted Answer

Myocardial fibrosis and infarct scar

Answer

Coronary artery stenosis

Answer

Pericardial effusion

Answer

Valvular regurgitation severity