Engines that do not have a water cooling system can not use a heater core; one alternative is to guide air around the (very hot) engine exhaust manifold and then into the vehicle's interior. Temperature control is achieved by mixing with unheated outside air.
OBJECTIVE: The thickness of the prevertebral soft tissue (PVST) is instrumental in helping detect cervical spine injuries in the pediatric population.ormal pediatric prevertebral soft-tissue thickness on MDCT. Vermess D(1), Rojas CA, Shaheen F, Roy P, Martinez CR. Author information: (1)Department of Radiology, University of South Florida College of Medicine, 12901 Bruce B. Downs Blvd, Box 17, Tampa, FL 33612, USA.
Premature rupture of membranes (PROM) refers to a patient who is beyond 37 weeks' gestation and has presented with rupture of membranes (ROM) prior to the onset of labor. Preterm premature rupture of membranes (PPROM) is ROM prior to 37 weeks' gestation.