Category: Fundamentals The HbA1c measurement provides insight into the quality of glycemic control over time. Given the long half-life of red blood cells, the percentage of HbA1c is an index of glucose concentration of the preceding 6 to 8 weeks.
November 14, 2019
Nursing Tip of the Day! - Fundamentals
Category: Fundamentals The HbA1c measurement provides insight into the quality of glycemic control over time. Given the long half-life of red blood cells, the percentage of HbA1c is an index of glucose concentration of the preceding 6 to 8 weeks.
November 13, 2019
Nursing Tip of the Day! - Fundamentals
Category: Fundamentals Patients with type 2 diabetes demonstrate impaired insulin function related to poor insulin production, failure of insulin to reach the site of action or failure of an end-organ response to insulin.
November 12, 2019
Nursing Tip of the Day! - Fundamentals
Category: Fundamentals The patient with type 1 diabetes is usually lean, younger than 40 years and prone to ketosis. Plasma insulin levels are absent to low. Plasma glucagon levels are high and patients require insulin therapy to treat their symptoms.
November 11, 2019
Nursing Tip of the Day! - Fundamentals
Category: Fundamentals Impaired glucose tolerance (IGT) has been replaced by the term prediabetes to identify individuals at high risk for the development of diabetes. The pathogenesis of prediabetes is thought to be related to insulin resistance.
November 10, 2019
Nursing Tip of the Day! - Fundamentals
Myriad causes of diabetes have been identified, including chronic pancreatitis, cystic fibrosis, genetic defects in the beta cell or in insulin receptors and chemical-induced (eg, chemotherapeutic, antipsychotic, or antiretroviral medications).
November 9, 2019
Nursing Tip of the Day! - Fundamentals
Category: Fundamentals The American Diabetes Association (ADA) defines four major types of diabetes mellitus - type 1 diabetes mellitus, type 2 diabetes mellitus, gestational diabetes and diabetes due to secondary disease processes or drugs.
November 8, 2019
Nursing Tip of the Day! - Fundamentals
Category: Fundamentals The most striking feature of type 1 diabetes is the nearly total lack of insulin-secreting beta cells and insulin, with the preservation of glucagon-secreting alpha cells, somatostatin-secreting delta cells, and pancreatic polypeptide–secreting cells.
November 7, 2019
Nursing Tip of the Day! - Fundamentals
Category: Fundamentals Glucagon is released in response to hypoglycemia as well as to stress, trauma, infection, exercise and starvation. It increases hepatic glucose production within minutes, although transiently.
November 6, 2019
Nursing Tip of the Day! - Fundamentals
Category: Fundamentals When glucose is not transported into the cells because of a lack of food intake or lack of insulin, the body perceives a fasting state and releases glucagon, attempting to provide the glucose necessary for brain function.
November 5, 2019
Nursing Tip of the Day! - Fundamentals
Category: Fundamentals Insulin suppresses endogenous glucose production and stimulates glucose use. Insulin is secreted from the beta cells of the pancreatic islets into the hepatic portal circulation and has important actions on the liver and peripheral tissues.
November 4, 2019
Nursing Tip of the Day! - Fundamentals
Sulfonylureas increase insulin secretion by binding to specific beta-cell receptors. This class of drug is contraindicated in patients with a known allergy to sulfa agents. Patients with renal failure may be predisposed to hypoglycemia.
November 3, 2019
Nursing Tip of the Day! - Fundamentals
Category: Fundamentals Metabolic acidosis is a concern with biguanides. Metformin should be withheld for 48 hours prior to the administration of iodinated contrast media. Afterward, it is advisable to check the serum creatinine level before resuming this medication.
November 2, 2019
Nursing Tip of the Day! - Fundamentals
Category: Fundamentals Given the long half-life of red blood cells, the percentage of HbA1c is an index of glucose concentration of the preceding 6 to 8 weeks, with normal values approximately 4% to 6% of total hemoglobin, depending on the assay used.
November 1, 2019
Nursing Tip of the Day! - Fundamentals
Category: Fundamentals Measurement of glycosylated hemoglobin (HbA1c) is one of the most important ways to assess the level of glucose control. The HbA1c measurement provides insight into the quality of glycemic control over time.
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