GDA Nursing Class Notes 6

INJECTION

An injection is a medical procedure in which a substance is introduced into the body through a hollow needle or syringe. Injections are commonly used for various purposes, including administering medications, vaccines, fluids, and other therapeutic agents. They are a quick and effective way to deliver substances directly into the bloodstream or specific body tissues.

1. Intravenous (IV) Injection: The substance is injected directly into a vein, allowing for rapid absorption into the bloodstream. IV injections are used for medications, fluids, and emergency treatments.
2. Intramuscular (IM) Injection: The substance is injected into a muscle. IM injections are often used for medications that need to be absorbed gradually, such as certain vaccines or medications that require a sustained release.
3. Subcutaneous (SC) Injection: The substance is injected just beneath the skin into the fatty tissue. SC injections are commonly used for medications that need to be absorbed relatively quickly, such as insulin or certain vaccines.
4. Intradermal (ID) Injection: The substance is injected into the top layers of the skin. ID injections are often used for allergy testing or skin tests, as well as for administering certain vaccines like the tuberculosis (TB) test.

INTRAVENOUS INJECTION

An intravenous (IV) injection, also known as an IV infusion, is a method of administering fluids, medications, or other substances directly into a vein. This route of administration allows for rapid and direct delivery of the substance into the bloodstream, making it effective for immediate effects and precise dosing. IV injections are commonly used in medical settings for various purposes, including hydration, medication administration, blood transfusions, and more.

Medications: Many types of medications can be administered through IV injection, including antibiotics, pain relievers, anti-inflammatory drugs, anticoagulants, and more.

INTRAMUSCULAR INJECTION

An intramuscular (IM) injection is a medical procedure in which a substance, typically a medication, is injected directly into a muscle. This route of administration allows for the rapid absorption of the substance into the bloodstream through the muscle tissue. IM injections are commonly used for medications that need to be absorbed gradually and provide a sustained effect over time. They are often administered by healthcare professionals, such as nurses or doctors, and are used for a variety of purposes, including vaccinations, pain relief, and certain medications.

Medications: Many types of medications can be administered through IM injection, including antibiotics, analgesics, Antipsychotics, Vaccines, and more.