do diabetic comas happen when you sugars are high? or low? or both?serious answers please!?

Question

HOW HIGH? HOW LOW?

Answer 1

Diabetic coma is a medical emergency in which a person with diabetes mellitus is comatose (unconscious) because of one of three acute complications of diabetes:

1. Severe diabetic hypoglycemia (low blood sugar)
2. Advanced diabetic ketoacidosis advanced enough to result in
unconsciousness from a combination of severe
hyperglycemia (high blood sugar), dehydration and shock,
3. and exhaustion Hyperosmolar nonketotic coma in which
extreme hyperglycemia and dehydration alone are sufficient
to cause unconsciousness.

In most medical contexts, the term diabetic coma refers to the diagnostic dilemma posed when a physician is confronted with an unconscious patient about whom nothing is known except that he has diabetes. An example might be a physician working in an emergency department who receives an unconscious patient wearing a medical identification tag saying DIABETIC. Paramedics may be called to rescue an unconscious person by friends who identify him as diabetic. Brief descriptions of the three major conditions are followed by a discussion of the diagnostic process used to distinguish among them, as well as a few other conditions which must be considered.

Severe hypoglycemia
People with type 1 diabetes mellitus who must take insulin in full replacement doses are most vulnerable to episodes of hypoglycemia. It is usually mild enough to reverse by eating or drinking carbohydrates, but blood glucose occasionally can fall fast enough and low enough to produce unconsciousness before hypoglycemia can be recognized and reversed. Most hypoglycemia is severe enough to cause unconsciousness during sleep. Predisposing factors can include eating less than usual, prolonged exercise earlier in the day, and heavy drinking. Some people with diabetes can lose their ability to recognize the symptoms of early hypoglycemia.

Unconsciousness due to hypoglycemia can occur within 20 minutes to an hour after early symptoms and is not usually preceded by other illness or symptoms. Twitching or convulsions may occur. A person unconscious from hypoglycemia is usually pale, has a rapid heart beat, and is soaked in sweat, all signs of the adrenaline response to hypoglycemia. He is not usually dehydrated and breathing is normal or shallow. A meter or laboratory glucose at the time of discovery is usually low, but not always severely, and in some cases may have already risen from the nadir which triggered the unconsciousness.

Unconsciousness due to hypoglycemia is treated by raising the blood glucose with intravenous glucose or injected glucagon.

Advanced diabetic ketoacidosis
Diabetic ketoacidosis (DKA), if it progresses and worsens without treatment, can eventually cause unconsciousness, from a combination of severe hyperglycemia, dehydration and shock, and exhaustion. Coma only occurs at an advanced stage, usually after 36 hours or more of worsening vomiting and hyperventilation.

In the early to middle stages of ketoacidosis, patients are typically flushed and breathing rapidly and deeply, but visible dehydration, pallor from diminished perfusion, shallower breathing, and rapid heart rate are often present when coma is reached. However these features are variable and not always as described.

If the patient is known to have diabetes, the diagnosis of DKA is usually suspected from the appearance and a history of 1-2 days of vomiting. The diagnosis is confirmed when the usual blood chemistries in the emergency department reveal hyperglycemia and severe metabolic acidosis.

Treatment of DKA consists of isotonic fluids to rapidly stabilize the circulation, continued intravenous saline with potassium and other electrolytes to replace deficits, insulin to reverse the ketoacidosis, and careful monitoring for complications.

Nonketotic hyperosmolar coma
Nonketotic hyperosmolar coma usually develops more insidiously than DKA because the principal symptom is lethargy progressing to obtundation, rather than vomiting and an obvious illness. Extreme hyperglycemia is accompanied by dehydration due to inadequate fluid intake. Coma from NKHC occurs most often in patients who develop type 2 or steroid diabetes and have an impaired ability to recognize thirst and drink. It is classically a nursing home condition but can occur in all ages.

The diagnosis is usually discovered when a chemistry screen performed because of obtundation reveals extreme hyperglycemia (often above 1800 mg/dl (100 mM)) and dehydration. The treatment consists of insulin and gradual rehydration with intravenous fluids.

Identifying the cause of diabetic coma
Diabetic coma was a more significant diagnostic problem before the late 1970s, when glucose meters and rapid blood chemistry analyzers became universally available in hospitals. In modern medical practice, it rarely takes more than a few questions, a quick look, and a meter glucose to determine the cause of unconsciousness in a patient with diabetes. Laboratory confirmation can usually be obtained in half an hour or less. Also, the astute physician remembers that other conditions can cause unconsciousness in a person with diabetes: stroke, uremic encephalopathy, alcohol, drug overdose, head injury, or seizure.

Fortunately, most episodes of diabetic hypoglycemia, DKA, and extreme hyperosmolarity do not reach unconsciousness before a family member or caretaker seeks medical he

Answer 2

1

Answer 3

2

Answer 4

I've heard of some with sugars over 900 have lived to tell about it, but it usually causes coma. I don't believe the low sugar problem is called coma, I think it's called shock, but I would have to look that up. It can occur when your sugar is under 40.

Answer 5

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Answer 6

Diabetic comas are from blood sugars being high for an entended period of time, Insulin shock is low blood sugars.

Answer 7

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Answer 8

if its under 60 in super low. Over 200 is really high. Also, depends on the weight.

Answer 9

I can only base my answer on personal experience. When my best friend goes for a long period without eating something, he complains of having shakes and feeling weird, which passes as soon as he eats something. When he indulges on foods that he's realistically not supposed to eat, all he does is sleep...

Answer 10

both, and the how much high or low i guess it depends from person to another...