| ejection fraction |
The ejection fraction (EF) or, more correctly, left-ventricular ejection fraction (often abbreviated LVEF) is a measure of how much blood the left ventricle of the heart pumps out with each contraction. The normal left ventricle has an average volume of 100ml and with each heart beat ejects approximately 70 ml, the stroke volume. ...
출처: en.wikipedia.org/wiki/Ejection_fraction
|
|---|---|
| ejecta |
Terrestrial and extra-terrestrial material tossed out of the crater.
출처: www.geocities.com/CapeCanaveral/cockpit/8882/impvo...
|
| ejaculation |
A sexual disorder in which the man ejaculates too soon and he feels he cannot control when he ejaculates.
출처: highered.mcgraw-hill.com/sites/0072986360/student_...
|
| ejaculatory duct |
A duct that opens into the urethra and is involved in sperm production.
출처: www.ehealthmd.com/library/infertility/INF_glossary...
|
| ejection fraction |
This is the amount of blood pumped out of the heart with each beat. It is expressed as a percent. Normal value is 45-55%. It can be measured by special tests.
출처: www.ehealthmd.com/library/heartfailure/HF_glossary...
|