Blood leaks back into the chambers rather than flowing forward through the heart or into an artery. In the United States, backflow most often is due to prolapse. Prolapse is when the flaps of the valve flop or bulge back into an upper heart chamber during a heartbeat. Prolapse mainly affects the mitral valve.
NSTEMI is a shorthand medical term for non-ST segment elevation myocardial infarction. It is one type of myocardial infarction also called heart attack.
The Definition of Stim. The word stim is short for self-stimulation. It is associated with several conditions such as deafblindness and intellectual disability, but most commonly with autism. My sonâs neurologist calls it âautistic stereopathy.â It is also sometimes called âstereotypy.â.he Definition of Stim. The word stim is short for self-stimulation. It is associated with several conditions such as deafblindness and intellectual disability, but most commonly with autism. My sonâs neurologist calls it âautistic stereopathy.â It is also sometimes called âstereotypy.â.