Flashcards in Tools of the Trade Deck (9)
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1
What does reversible perfusion imply?
ischemia due to increased demand (work ischemia)
2
What does fixed perfusion imply?
ischemia due to infarctions, scars
3
What are micro-bubbles used for?
they're agitated saline that can show intra-septal defects or shunts- allow visualization of blood flow w/I the heart chambers
4
What do radionucleotide perfusion studies look for?
imbalances btw supply and demand via decreased perfusion; compare at rest to exercise
5
What are the radionucleotide perfusion imaging agents?
1. Thallium 204
2. Technetium-99m-Sestamibi (Cardiolite)
6
What does stress echo look for?
imbalance btw supply and demand bc of a wall motion abnormality; compare rest to exercise
7
Normally the left ventricle should _____ and ____ with exercise or dobutamine
beat faster; thicken more
8
Normally the left ventricle should beat faster and thicken more with exercise or _______.
dobutamine
9
