Non-radioactive Interventional Drugs and what they're used for in NM

Question 1

Acetazolamide

Answer 1

Brain SPECT
*increases brain blood flow where normal
*decreases blood to constricted/abnormal areas

Question 2

Adenosine

Answer 2

Cardiac MPI
*Vasodilator
*simulates excercise

*nuclear stress tests

Question 3

Regadenosen

Answer 3

Cardiac MPI
*Vasodilator
*simulates excercise

*nuclear stress tests

Question 4

Aminophylline

Answer 4

Cardiac MPI counteragent for stress agent

Question 5

Captopril

Answer 5

Renal Scan for renal artery stenosis (RAS)
*lowers blood pressure in hypertensive pts
*ACE inhibitor
*determines role of RAS (renal artery stenosis) in HTN (hypertension)

Question 6

Sincalide
Cholecytokinin (CCK)

Answer 6

HB (hepatobiliary) scans
*GB EF - gallbladder ejection fraction

Question 7

Cimetidine
Rantidine
Famotidine

Answer 7

Meckels Diverticulum
*inhibits release of TcO4- from ectopic mucosa

Question 8

Dobutamine

Answer 8

Cardiac MPI
*simulates exercise by increasing myocardial O2 demand
*used when adenosine/dipyridamole cannot be used (COPD pts)

Question 9

Dipyradamole

Answer 9

Cardiac MPI
*Vasodilator
*used to simulate exercise

Question 10

Atropine

Answer 10

Dobutamine stress
*used after dobutamine if pts heart doesn’t reach 85% of max

Question 11

Enalaprilat

Answer 11

Renal scans for Renal artery stenosis (RAS)
*lowers blood pressure in hypertensive pts
*ACE inhibitors
*Determine role of RAS in HTN

Question 12

Furosemide

Answer 12

Renal diuretic study
*rule out hydronephrosis and non-obstructive collecting system dilation

Question 13

Morphine

Answer 13

Hepatobiliary scan
*gallbladder visualization
*rules out acute vs. Chronic cholecystitis

Question 14

Insulin

Answer 14

FDG PET
*drives FDG into heart muscle for viability assessment