Hemodynamics

Normal bloodflow/conduction of the heart





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STROKE VOLUME is influenced by:
PRELOAD-degree of myocardial stretch just before systole
AFTERLOAD(aorta)-amount of resistance against which the left ventricle pumps
CONTRACTILITY-force fo the contraction

CARDIAC OUTPUT=SVxHR
Normal CO is 4-8 L/min

MAP (Mean Arterial Pressure)=Systolic pressure+2 diastolic pressures/3
MAP>60

CENTRAL VENOUS PRESSURE-Evaluates venous return and fluid volume status. Basically tells you your preload.
Normal CVP is 2-8 mmHg (same as JVD)