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What does the right side of the heart do with blood?

- received deoxygenated blood from the body
- pumps it to lungs

What does the left side of the heart do with blood?

- receives oxygenated blood from the lungs
- pumps it through aorta to the body

What side of the heart has the tricuspid valve?


What side of the heart has the mitral vavle?


What is the rate of the SA node?

60-100 bpm

What is the rate of the AV node?

40-60 bpm

What is the formula for cardiac output?

- stroke volume x heart rate

What are the three things cardiac output depends on?

- preload
- afterload
- contractility

What system regulates heart rate?

- autonomic nervous system

What are the two parts of the autonomic nervous system?

- sympathetic, flight or fight
- parasympathetic, rest and digest

What does the sympathetic nervous system do?

- increases: BP, HR, RR, BG, blood to muscles of legs
- decreases blood flow to GI tract

What does the parasympathetic nervous system do?

- counterbalances sympathetic to maintain BP, HR, RR WNL
- stimulates blood flow to GI tract

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