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The epithelial–mesenchymal transition (EMT) is a process by which epithelial cells lose their cell polarity and cell–cell adhesion, and gain migratory and invasive properties to become mesenchymal stem cells; these are multipotent stromal cells that can differentiate into a variety of cell types.
Unlike epithelial cells – which are stationary and characterized by an apico-basal polarity with binding by a basal lamina, tight junctions, gap junctions, adherent junctions and expression of cell-cell adhesion markers such as E-cadherin, [4] mesenchymal cells do not make mature cell-cell contacts, can invade through the extracellular matrix, and express markers such as vimentin ...
An emergency medical technician (often, more simply, EMT) is a medical professional that provides emergency medical services. [1] [2] EMTs are most commonly found serving on ambulances and in fire departments in the US and Canada, as full-time and some part-time departments require their firefighters to at least be EMT certified.
Using NHTSA guidelines, the National Registry of Emergency Medical Technicians have developed and implemented certification tests for the NHTSA EMT levels, including the EMT level. [11] As of 2006, 39 US states utilize the NREMT EMT exam as part of the state licensing and/or certification procedure. [12]
The American Red Cross conducts a course titled "Emergency Medical Response" that fits this definition. In the US the term "Emergency Medical Responder" has largely replaced the term "Certified First Responder" or "Medical First Responder" beginning in 2012. [5] "Emergency Medical Responder" or "EMR" is an EMS certification level recognized by ...
Rapid trauma assessment is a method most commonly used by emergency medical services to identify hidden and obvious injuries in a trauma victim. [1] The goal is to identify and treat immediate threats to life that may not have been obvious during an initial assessment.
Medical direction, or online medical direction, allows a paramedic or emergency medical technician (EMT) to contact a physician from the field via radio or other means to obtain instructions on further care of a patient.
An EMR, with the help of an EMT, can assume care for a patient while that patient is being transported. [citation needed] Emergency Medical Technician (EMT): EMT includes all EMR skills, advanced oxygen and ventilation skills, pulse oximetry, noninvasive blood pressure monitoring, and administration of certain medications. [43]