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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

What does a cardiac cath/coronary angiography measure?

1. pressure

2. gradients

3. saturation

4. intracardiac shunt