Basic life support Reference Libraries
Cardiopulmonary resuscitation, commonly known as CPR, is an emergency procedure performed in an effort to preserve brain function and manually pump blood through to the body’s vital organs, until further measures are taken to restore spontaneous circulation. CPR is indicated in cardiac arrest patients, but may also be performed on patients with an unresponsive presentation or those...
- Having no light.
- Of or relating to the region of a body of water that is not reached by sunlight and in which photosynthesis is unable to occur.