Nuclear Cardiology

Question 1

Obese patient imaging Nuclear

Answer 1

2 day high dose Tc99m - need high dose if obese

Question 2

Duke Treadmill score

Answer 2

Time on bruce protocol - (5x ST deflection + 4x anginal index)
(0-no angina, 1=angina not stopping test, 2=angina stopping test)
Low risk = >5
Intermediate = -10->+4
High= < -10

Question 3

Pharm Nuc

Answer 3

Adenosine
-contraindicated with use of caffeine, theophylline, theobromine
-stimulation of A2A
SBP<90
2nd or 3rd deg AVB
wheezing (well controlled asthma ok)
ACS

Question 4

Survival with %myocardium ischemic

Answer 4

Survival benefit with revascularization if >10% myocardial ischemia

Question 5

Pharm nuc stress

Answer 5

1. Cannot excercise

2. LBBB (false + in higher HR on imaging with exercise)

Question 6

Rapidly progressive HF

Answer 6

r/o giant cell myocarditis with RV bx

Question 7

RNA - radionucleide ventriculography

Answer 7

Cardio-onc patient EF assessment

Question 8

Lowest radiation Nuc stress

Answer 8

PET FDG/ammonia - 2mSv

Thallium highest