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The first injection had an apparent impurity which was the likely cause for the allergic reaction he displayed. After a refined process was developed by James Collip to improve the canine pancreas extract, the second dosage was successfully delivered to the young patient 12 days after the first.
Intravenous sugar solution, also known as dextrose solution, is a mixture of dextrose (glucose) and water. [1] It is used to treat low blood sugar or water loss without electrolyte loss. [ 2 ] Water loss without electrolyte loss may occur in fever , hyperthyroidism , high blood calcium , or diabetes insipidus . [ 2 ]
In many people, both a rapid- or short-acting insulin product as well as an intermediate- or long-acting product are used to decrease the amount of injections per day. In some, insulin injections may be combined with other injection therapy such as GLP-1 receptor agonists. Cleansing of the injection site and injection technique are required to ...
Many insulin analogs and GLP-1 agonists for diabetes treatment are available as injector pens. [2] As with insulin vials, some insulin pens are made with higher concentrations including U-200, U-300, and U-500. Different concentration insulin products may not have the same pharmacokinetic properties as other strengths. [10]
"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
After injection, microcrystals slowly release insulin for about 24 hours. [7] This insulin causes body tissues to absorb glucose from the blood and decreases glucose production by the liver. [7] Insulin glargine was patented, but the patent expired in most jurisdictions in 2014. It was approved for medical use in the United States in 2000. [7]
Subcutaneous administration is the insertion of medications beneath the skin either by injection or infusion. A subcutaneous injection is administered as a bolus into the subcutis, the layer of skin directly below the dermis and epidermis, collectively referred to as the cutis. The instruments are usually a hypodermic needle and a syringe.
This insulin is referred to as basal insulin secretion, and constitutes almost half [1] the insulin produced by the normal pancreas. Bolus insulin is produced during the digestion of meals. Insulin levels rise immediately as we begin to eat, remaining higher than the basal rate for 1 to 4 hours.