TCAR Education Programs, Stephen Von Weller Reticular activating system (RAS) The reticular activating system is located deep within the upper part of the brainstem. The RAS consists of a network of neurons and fibers that connect the brainstem with the cerebrum and the spinal ... R 3/06/2026
TCAR Education Programs, Stephen Von Weller Retrograde amnesia See Amnesia, retrograde... R 3/06/2026
TCAR Education Programs, Stephen Von Weller Retrograde dissection Backward vessel dissection. In the patient with blunt aortic injury, disruption usually occurs in the isthmus, at the site of the ligamentum arteriosum. Most vessel dissection is downward, in the dire... R 3/06/2026
TCAR Education Programs, Stephen Von Weller Retroperitoneal Behind the peritoneal cavity. This space contains the spine, aorta, vena cava, kidneys, as well as parts of the colon, ureters, and pancreas. PRONUNCIATION: RET-ro-per-i-ton-EE-al.... R 3/06/2026
TCAR Education Programs, Stephen Von Weller Rh antigen The rhesus (Rh) factor is a protein found on the surface of red blood cells in persons with Rh-positive blood types.... R 3/06/2026
TCAR Education Programs, Stephen Von Weller Rh immune globulin (RhIG) A medication containing antibodies to the Rh antigen D (RhD). Administered to Rh negative patients who receive Rh positive blood in order to prevent antibody formation, thus suppressing a potentially ... R 3/06/2026
TCAR Education Programs, Stephen Von Weller Rh negative The red blood cells of individuals who lack the rhesus factor.... R 3/06/2026
TCAR Education Programs, Stephen Von Weller Rhabdomyolysis A breakdown of skeletal muscle that results in the release of large amounts of myoglobin into the circulation. PRONUNCIATION: RAB-do-my-OL-ys-sis.... R 3/06/2026
TCAR Education Programs, Stephen Von Weller RhoGAM® A common brand name for (Rh(D) immune globulin.... R 3/06/2026
TCAR Education Programs, Stephen Von Weller RICE Rest, Ice, Compression, Elevation; an acronym for basic interventions used to reduce bleeding and edema in soft tissue. Injury.... R 3/06/2026
