Advanced Nuclear Cardiology:

Question 1

Which of the following is not an indication for early termination of an exercise stress test based on the American Society of Nuclear Cardiology (ASNC) guidelines?

A) the pt. reaches target heart rate early
B) severe angina pectoris
C) excessive ST depression (>2mm)
D) drop in systolic blood pressure

Answer 1

A) the pt. reaches target heart rate early

Question 2

Vasodilator agents such as adenosine, dipyridimole, and regadenoson produce stimulation of which receptors?

A) A1
B) A2A
C) A2B
D) B1

Answer 2

B) A2A

Question 3

Adenosine induced direct coronary arteriolar vasodilation through specific activation of the receptor. This results in an increase in myocardial blood flow by how many fold?

A) 0.5-2
B) 2-3
C) 3.5-4
D) 5-10

Answer 3

C) 3.5-4

Question 4

The ASNC guidelines indicate that adenosine should be given as a continuous infusion at a rate of _____ ug/kg/min over a 6-min period.

A) 140
B) 220
C) 100
D) 60

Answer 4

A) 140

Question 5

The combination of low-level exercise during an adenosine infusion results in which of the following?

A) increase in pt. side effects
B) reduction in pt. side effects
C) decrease in accuracy of results
D) significant increase in heart rate

Answer 5

B) reduction in pt. side effects

Question 6

Dobutamine infusion results in a direct B1 and B2 stimulation with a dose-related increase in heart rate, blood pressure, and myocardial contractility.

A) true
B) flase

Answer 6

A) true

Question 7

When performing a planar equilibrium radionuclide angiocardiography (ERNA), and LAO view with a caudal tilt of what degree is helpful in separating the atria from the ventricle?

A) 5-8
B) 1-4
C) 20-25
D) 10-15

Answer 7

D) 10-15

Question 8

Which of the following is the preferred method for planar ERNA?

A) in vivo
B) in vitro
C) modified in vivo
D) modified in vitro

Answer 8

B) in vitro

Question 9

What type of uptake in the myocardium has been well validated as an indicator of myocardial viability?

A) sestamibi
B) MDP
C) MAA
D) FDG

Answer 9

D) FDG

Question 10

At what distance should a radioactive point source be from an uncollimated camera when performing an intrinsic flood?

A) one FOV 
B) two FOVs
C) three FOVs 
D) four FOVs
E) five FOVs

Answer 10

E) five FOVs