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Intramuscular injection, often abbreviated IM, is the injection of a substance into a muscle. In medicine , it is one of several methods for parenteral administration of medications. Intramuscular injection may be preferred because muscles have larger and more numerous blood vessels than subcutaneous tissue, leading to faster absorption than ...
Needle insertion angles for 4 types of injection: intramuscular, subcutaneous, intravenous, and intradermal Injections are classified in multiple ways, including the type of tissue being injected into, the location in the body the injection is designed to produce effects, and the duration of the effects.
Intraperitoneal, (infusion or injection into the peritoneum) e.g. peritoneal dialysis. Intrathecal (into the spinal canal) is most commonly used for spinal anesthesia and chemotherapy. Intrauterine. Intravaginal administration, in the vagina. Intravenous (into a vein), e.g. many drugs, total parenteral nutrition.
Injector pens remove some of the complications of syringes by allowing the pen to be "pushed" against the skin at a 90-degree angle (removing the need to inject at a proper angle as is the case with syringes), as well as by replacing a long, thin plunger of a syringe with a simple button which is depressed and held to inject the dose. [2]
The appropriate injection angle is based on the length of needle used, and the depth of the subcutaneous fat in the skin of the specific person. A 90-degree angle is always used for medications such as heparin. If administered at an angle, the skin and underlying tissue may be pinched upwards prior to injection.
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Begins with patient in supine position. Upper torso is slowly raised to a 90 degree position. Semi-Fowlers position Lower torso is in supine position and the upper torso is bent at a nearly 85 degree position. The patient's head is secured by a restraint. Prone position Patient lies with stomach on the bed. Abdomen can be raised off the bed.
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