Because of a lapse in government funding, the information on this
website may not be up to date, transactions submitted via the
website may not be processed, and the agency may not be able to
respond to inquiries until appropriations are enacted. The NIH
Clinical Center (the research hospital of NIH) is open. For more
details about its operating status, please visit
cc.nih.gov. Updates
regarding government operating status and resumption of normal
operations can be found at
opm.gov.
The amount of BLOOD pumped out of the HEART per beat, not to be confused with cardiac output (volume/time). It is calculated as the difference between the end-diastolic volume and the end-systolic volume.
Entry Term(s)
Ventricular Ejection Fraction
Ventricular End-Diastolic Volume
Ventricular End-Systolic Volume
NLM Classification #
WG 106
Previous Indexing
Cardiac Output (1966-1978)
Public MeSH Note
86; was see under CARDIAC OUTPUT 1979-85; was see CARDIAC OUTPUT 1974-78
Online Note
search CARDIAC OUTPUT 1974-78
History Note
86(79); was see under CARDIAC OUTPUT 1979-85; was see CARDIAC OUTPUT 1974-78
The amount of BLOOD pumped out of the HEART per beat, not to be confused with cardiac output (volume/time). It is calculated as the difference between the end-diastolic volume and the end-systolic volume.