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Flashcards in Cardiac Overview Deck (6)
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1
Q

What are 3 things that affect vessel wall friction?

A

Increase (length and fluid viscosity)

decrease (radius of vessel)

2
Q

Contraction of ventricles, aortic and pulomnary valves open

A

systole

3
Q

relaxation of ventricles, bicuspid/tricuspid open

A

diastole

4
Q

Compare and contrast stable, unstable and prinzmetal angina.

A

Stable - w/exertion, relieved by rest, nitro
Unstable - at rest, relieved by nitro
Prinzmetal - rest - vasospasm, relieved by nitro or Ca channels blockers

5
Q

What time frame distinguishes MI from angina?

A

If chest pain has occured longer than 20 minutes then an MI has occured.

6
Q

45% of MI are due to occlusion of this artery

A

LAD