An intravenous (IV) cannula is a thin tube inserted into a vein to administer fluids, medications, or blood products.
IV cannulas come in a range of sizes, typically identified by their gauge. Common gauges include14, 16, 18, 20, 22, 24 and 26, with lower numbers indicating larger diameters. The choice of size depends on factors such as the patient's vein condition, the required flow rate, and the type of fluids or medications being administered.
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