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Thompson showed signs of improved health and went on to live 13 more years taking doses of insulin, before dying of pneumonia at age 26. [3] [4] Until insulin was made clinically available, a diagnosis of type 1 diabetes was a death sentence, more or less quickly (usually within months, and frequently within weeks or days). [5] [6]
An injector pen consists of a chamber or cartridge of medication, a tip to attach a needle, and a piston or plunger to inject the dose. [4] Some pens, including most insulin pens, include dials to adjust the dose of the injection before each administration. [2]
Insulin can be injected by several methods, including a hypodermic needle, jet injector, or insulin pump. There is also inhaled insulin that can be used in adults with diabetes. [33] There are several types of insulin that are commonly used in medical practice, with varying times of onset and duration of action. [32]
"Tuberculin" syringes and types of syringes used to inject insulin are commonly used. Commonly used syringes usually have a built-in 28 gauge (or thereabouts) needle typically 1/2 or 5/8 inches long. The preferred injection site is the crook of the elbow (i.e., the Median cubital vein), on the user's non-writing hand
The dilution of insulin is such that 1 mL of insulin fluid has 100 standard "units" of insulin. [6] A typical insulin vial may contain 10 mL, for 1000 units. Insulin syringes are made specifically for a patient to inject themselves, and have features to assist this purpose when compared to a syringe for use by a healthcare professional:
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Insulin pumps, cartridges, and infusion sets may be far more expensive than syringes used for insulin injection with several insulin pumps costing more than $6,000; necessary supplies can cost over $300. [3] Another disadvantage of insulin pump use is a higher risk of developing diabetic ketoacidosis if the pump malfunctions. [3]
Basal insulin: the insulin that controls blood glucose levels between meals and overnight. It controls glucose in the fasting state. Boluses: the insulin that is released when food is eaten or to correct a high reading. Another device used in intensive insulinotherapy is the injection port. An injection port is a small disposable device ...