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Diabetes can cause acute problems such as too low (hypoglycemia) or high blood sugar (hyperglycemia). Diabetes affects the blood vessels in the body, such as capillaries and arteries, which are the routes blood take to deliver nutrients and oxygen to the organs in the body. [ 4 ]
Improvement in blood sugar level and symptoms is expected to occur in 15–20 minutes, at which point blood sugar is measured again. [3] [2] If the repeat blood sugar level is not above 70 mg/dL (3.9 mmol/L), the hypoglycemic should consume another 10–20 grams of a carbohydrate and with remeasurement of blood sugar levels after 15–20 minutes.
The fluctuation of blood sugar (red) and the sugar-lowering hormone insulin (blue) in humans during the course of a day with three meals. One of the effects of a sugar-rich vs a starch-rich meal is highlighted. [1] The blood sugar level, blood sugar concentration, blood glucose level, or glycemia is the measure of glucose concentrated in the blood.
Hyperglycemia also creates microbiological changes within the body: hyperglycemia can lead to rapid changes in blood pH and cell viscosity, weakening the cells and making it more conducive for infectious agents to thrive and dampen inflammatory responses. This is because hyperglycemia impacts a few factors such as microenvironment of immune ...
Recurrent mild hypoglycemia may fit a reactive hypoglycemia pattern, but this is also the peak age for idiopathic postprandial syndrome, and recurrent "spells" in this age group can be traced to orthostatic hypotension or hyperventilation as often as demonstrable hypoglycemia. [citation needed] Insulin-induced hypoglycemia
Hypoglycemia can also be caused by sulfonylureas in people with type 2 diabetes, although it is far less common because glucose counterregulation generally remains intact in people with type 2 diabetes. Severe hypoglycemia rarely, if ever, occurs in people with diabetes treated only with diet, exercise, or insulin sensitizers.
[20] [21] Decrements in insulin, increments in glucagon, and, absent the latter, increments in epinephrine are the primary glucose counterregulatory factors that normally prevent or (more or less rapidly) correct hypoglycemia. In insulin-deficient diabetes (exogenous) insulin levels do not decrease as glucose levels fall, and the combination of ...
Manifestations of hyperinsulinemic hypoglycemia vary by age and severity of the hypoglycemia. In general, most signs and symptoms can be attributed to (1) the effects on the brain of insufficient glucose (neuroglycopenia) or (2) to the adrenergic response of the autonomic nervous system to hypoglycemia. A few miscellaneous symptoms are harder ...
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