In an emergency, EMTs are typically dispatched to the scene by a 911 operator and often work with police and fire department personnel. Once they arrive, they determine the nature and extent of a patients condition while trying to ascertain whether the patient has preexisting medical problems.
Platelet endothelial cell adhesion molecule (PECAM-1) also known as cluster of differentiation 31 (CD31) is a protein that in humans is encoded by the PECAM1 gene found on chromosome 17.PECAM-1 plays a key role in removing aged neutrophils from the body.D31 is also expressed in certain tumors, including epithelioid hemangioendothelioma, epithelioid sarcoma-like hemangioendothelioma, other vascular tumors, histiocytic malignancies, and plasmacytomas.
J1939 is the standard real-time network for control and diagnostic information used on all heavy-duty and commercial vehicles in the USA. It is one of three major CAN high level protocols, with the other two being ISO 15765 and CANopen.For example, J1939 is used on semi-tractors, school buses, and garbage trucks.For more information, here is a J1939 Introduction.t is one of three major CAN high level protocols, with the other two being ISO 15765 and CANopen. For example, J1939 is used on semi-tractors, school buses, and garbage trucks. For more information, here is a J1939 Introduction.