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Summer prep summer, Uof M, Mrs. Langston

Ejection fraction

Ratio of the stroke volume ejected from the left ventricle with each beat to the volume of blood at the end of diastole Left Ventricular End Diastolic Volume

Ejection Fraction 50% is


Ejection Fraction < 35% means

Poor ventricular function, Poor ventricular filling, Obstruction to outflow

Cardiac Conduction System consist of

SA Node, Intranodel Pathways, AV Nodes, Left and Right Ventricle, Purkinje Fibers

SA Node (Pacemaker) Rate


AV Node (AV Junction) Rate


Ventricles (Bundle Branches) Rate


Purkinje Fibers Rate

less than15

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