HEART PUMP
• pressure
• volume
isometric isotonic
1. Atrial contraction
2. Isovolumic ventricular contraction
3. Fast ejection
4. Slow ejection
5. Isovolumic relaxation
6. Fast filling
7. Slow filling
Cardiac output
CO = SV x f
Fick
Dilution
orVenous return
ADVANTAGE local
DRAWBACKS ↑ EDV, EDP
Coronary flowLaplace
Heterometric
Starling law (preload)
inotropic
exercise