nuclear stress test

Question 1

why do we nuc stress testing

Answer 1

evaluate blood flow to the heart and eval coronary artery blockages

Question 2

what are the fatty deposits called and where are they located

Answer 2

plaque in the coronary arteries

Question 3

what happens if the plaque becomes unstable and breaks away from the walls of the coronary artery

Answer 3

thrombosis and complete blockage blocks all blood flow to the heart and causes MI because heart tissue recieves no O2 in blood and DIES

Question 4

what does an EKG assess

Answer 4

-max ST depression/ elevation
-exercise induced arrhythmias
-# of leads showing ST changes

Question 5

hemodynamics assess what

Answer 5

-max HR/BP
-total exercise duration

Question 6

what symptoms are we looking for

Answer 6

-exercise induced angina
-exercise limiting symptoms
-time to onset of angina

Question 7

dx indications

Answer 7

chest pain, arrhythmias, symptomspr

Question 8

prognosis indications

Answer 8

-MI risk
-revascularization/ drug therapy
-exercise tolerance/ function
-treatment for arrhytmias

Question 9

what protocol of the duke treadmill score do we utilize

Answer 9

bruce protocol and modified bruce protocol for elderly

Question 10

what does the bruce protocol score indicate

Answer 10

the more (-) a score the higher risk and the more (+) score the less at risk