Source:http://linkedlifedata.com/resource/umls/id/C0007165
MSH: The volume of BLOOD passing through the HEART per unit of time. It is usually expressed as liters (volume) per minute so as not to be confused with STROKE VOLUME (volume per beat).,CSP: volume of blood passing through the heart per unit of time; expressed as liters (volume) per minute so as not to be confused with stroke volume (volume per beat).