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The traditional subcutaneous (S.C.) insulin administration regimens used by diabetic patients fails to capture the pulsatile nature of natural insulin secretion and does not reach high enough insulin concentrations at the hepatocyte level (e.g., 10 U regular insulin injected S.C. produce a peak systemic circulation concentration of 30–40 μU ...
The infusion tubing and cannula must be removed and replaced every few days. An insulin pump can be programmed to infuse a steady amount of rapid-acting insulin under the skin. This steady infusion is termed the basal rate and is designed to supply the background insulin needs.
Advantages to the person are better control over background or basal insulin dosage, bolus doses calculated to fractions of a unit, and calculators in the pump that may help with determining bolus infusion dosages. The limitations are cost, the potential for hypoglycemic and hyperglycemic episodes, catheter problems, and no "closed loop" means ...
It is the infusion counterpart of subcutaneous injection with a syringe. Subcutaneous infusion can be used where a slow rate of fluid uptake is required compared to intravenous infusion. Typically, it is limited to 1 mL per minute, although it is possible to increase this by using two sites simultaneously.
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Intravenous therapy (abbreviated as IV therapy) is a medical technique that administers fluids, medications and nutrients directly into a person's vein.The intravenous route of administration is commonly used for rehydration or to provide nutrients for those who cannot, or will not—due to reduced mental states or otherwise—consume food or water by mouth.
Heparin, also known as unfractionated heparin (UFH), is a medication and naturally occurring glycosaminoglycan. [3] [4] Heparin is a blood anticoagulant that increases the activity of antithrombin. [5] It is used in the treatment of heart attacks and unstable angina. [3] It can be given intravenously or by injection under the skin. [3]
An insulin tolerance test (ITT) is a medical diagnostic procedure during which insulin is injected into a patient's vein, after which blood glucose is measured at regular intervals. This procedure is performed to assess pituitary function, adrenal function, insulin sensitivity , [ 1 ] [ 2 ] and sometimes for other purposes.