1 Small businesses: 2  A non-profit in Philadelphia paid around $3,500 for basic HR services such as regulatory compliance, payroll, and HR management. 3  An IT company from Colorado paid around $100 per employee per month for payroll and benefits administration.
Ejection fraction is usually expressed as a percentage. A normal heart pumps a little more than half the heartâs blood volume with each beat. (1). A normal LVEF ranges from 55-70%. A LVEF of 65, for example, means that 65% of the total amount of blood in the left ventricle is pumped out with each heartbeat.
Definitions for Ejection fraction. Ejection fraction. In cardiovascular physiology, ejection fraction represents the volumetric fraction of blood pumped out of the ventricle with each heart beat or cardiac cycle.