Most patients are instructed by their physician to take up to three doses of nitroglycerin before calling EMS.
After administering sublingual nitroglycerin, patients commonly apply transdermal nitroglycerin to assist prevent the onset of anginal chest discomfort, and EMS providers do the same to help maintain constant therapeutic doses of nitroglycerin in the field.
A system that offers emergency medical care is called emergency medical services, or EMS. The primary objective of EMS after it is called in response to an occurrence that results in significant illness or injury is patient emergency medical care (s).
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