Ejection fraction (EF)

Ejection fraction (EF)

A measurement of how well the heart is pumping. People with healthy hearts usually have an ejection fraction of 50% or greater. Ejection fraction can be measured by an echocardiogram (ECG) or with other diagnostic tests.

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Part of Speech: noun
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Industry/Domain: Medical devices
Category: Cardiac supplies
Company: Boston Scientific
Product:
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Related terms

ejection fraction (EF)

Health care; Heart disease

The amount of blood pumped out of a ventricle during each heartbeat. The ejection fraction evaluates how well the heart is pumping.

ejection fraction (EF)

Medical devices; Cardiac supplies

A measurement of how well the heart is pumping. People with healthy hearts usually have an ejection fraction of 50% or greater. Ejection fraction can be measured by an ...

instructions for use

Biotechnology; Health care; Life Sciences; Medical; Biochemistry; Biofuel; Biomedical; Behavioral science

"a manual usually accompanying a technical device and explaining how to install or operate it" Essential Requirements - Medical Device Directive 93/42/EEC - Annex I, 13.1: Each ...

description

Biotechnology; Health care; Life Sciences; Medical; Biochemistry; Biofuel; Biomedical; Behavioral science

description a statement presenting something in words, from verb describe

scar

Medical devices; Cardiac supplies

An area of tissue that has healed after tissue destruction has occurred. It is electrically inactive. Electrically inactive tissue cannot transmit electrical signals.

sensing

Medical devices; Cardiac supplies

The monitoring function of an implanted pacemaker or defibrillator system that allows the device to detect the heart's natural electrical activity.

sensor

Medical devices; Cardiac supplies

The part of an implanted system that detects the body's need for a different heart rate. The system uses sensor information to provide the proper heart rate.