Doctor insights on:
Diet Before Glucose Tolerance Test
refers to all the physical matter humans (like all living creatures) must take in on a recurring basis; only partially for energy. Like all life on planet humans are open systems which keep tearing down their structure & require intake of atoms/molecules from which to rebuild their structure. Intestinal lining cells replaced ~every 3 days. CaPO4 in bones ~every 6 years, ...Read more
Newer recommendation: Is that non-diabetic pregnant women undergo a 2-hour 75-gram oral glucose tolerance test at 24-28 weeks of gestation. Women should be fasting for this test, and a fasting glucose level should be included. If any one of the following values are abnormal, you have gestational diabetes: fasting at 92 or above (mg/dl), one-hour at 180 or above, two-hour at 153 or above. ...Read more
I am prediabetic with higher blood sugar and insulin levels. L just had a 3 hour glucose tolerance test. Fasting sugar is 63, insulin is 2. Meaning?
Doesn't matter: The numbers aren't really important or valuable. If you're overweight and have high glucose (particularly with a positive family history) you need education, diet, exercise, weight reductio and maybe medication -- not just a diagnosis. The diagnosis doesn't help you get healthier. ...Read moreSee 1 more doctor answer
Different tests: Insulin & glucose are 2 different ways to measure diabetes. Insulin is produced by pancreas to keep sugars under control. We measure glucose to see how well sugars are controlled. We can measure Insulin to determine how much effort pancreas is making to control sugars. Think of glucose as speedometer & Insulin as tachometer (hgba1c is avg trip speed - ask a car nut if this doesn't make sense). ...Read more
Taking fasting gluc tomorrow. Should I eat carbs 12 hrs before the test to better "test" my endocrine system? Is test meaningful w/out carb intake?
Doesn't matter: just don't take in any calories of any kind for 12 hours before test, as directed. ...Read more
Recently bloodwork for fasting insulin. How is this different that a glucose tolerance test or a fasting glucose test?
Different tests: Insulin & glucose are 2 different ways to measure diabetes. Insulin is produced by pancreas to keep sugars under control. We measure glucose to see how well sugars are controlled. Think of glucose as speedometer & Insulin as tachometer (hgba1c is avg trip speed - ask a car nut if this doesn't make sense). Glucose tolerance test requires drinking sugar whereas other 2 tests don't. ...Read more
Unclear question: There is a set of rules for interpreting the results of ogt and it should be done by your doctor. ...Read more
Fasting: Depends on what's being measured but nothing after midnight for 8 am lab draw is adequate. Make sure you drink plenty of water. ...Read more
I am pcos pregnant woman did gestational diabetes test (glucose after 1 hr) & fasting glucose test after fasting for 13 hrs,will this affect result?
Diabetes Control: Fasting under 100 is normal, treated under 120 is pretty good, over 140 not so good. 2 hours after meals normal is 140 to 150 and good control is the same , add 10-20 or so. Many people manage looser but i try to get better control without risking low blood sugars which can be very bad so be careful and work with your doctor closely. ...Read more
My bl sugar level drops to 50 3 h after eating,normal insulin, c-peptide, liver enzymes' levels,family history of diabetes,is it reactive hypoglycemia?
Reactive hypoglycemi: yes. It is. Whenever you eat ready sugars or simple sugars( made with table sugar, juices) your body releases lots of insulin . Your sugars get absorbed mostly from stmach and there is still insulin in the blood that continue to lower your sugar.you should avoid ready sugars and take more complex carbs. Along with proteins. You most likely will be developing diabetes in near future. So watch !! ...Read moreSee 1 more doctor answer
Have GTT test. Blood glucose normal. O hour and 1 hour urine glucose negative but 2 hour urine glucose is trace. False positive or renal glycosuria?
Yes: You should not eat for 12 hours before a fasting test is done. You can have some water if thirsty. ...Read more
Normal glucose test. Can eating lots of sugar (cookies) and carbs in 3 days reverse normalcy and cause gestational diabetes? 108 glucose 19.6 BMI 25w
Short-term sugar OK: Secondary forms of diabetes (not the autoimmune insulin-requiring types), including the gestational type, are caused by cells become desensitized to insulin. This happens when Insulin levels are always high due to high sugar intake. It takes time; pregnancy just adds to the process. Three days of cake or girl scout cookies won't do anything if you weren't already heading that way. ...Read more
Fasting glucose 85. then GTT hour 1glucose 84, hour 2 glucose 94. what would cause this odd response?
Normal variability: So for that test, you basically get a dose of glucose to see if your blood sugar remains elevated. Our bodies respond very quickly to glucose, meaning that it gets taken up by our muscles and liver almost immediately after it enters the blood stream. Our body's "thermostat" is set to keep the blood sugar level between 70-99. Over 100 indicates a problem with glucose metabolism. Yours is normal. ...Read moreSee 1 more doctor answer
Took two, 3 hour glucose tolerance /insulin tests, one test had low blood sugar AND second test had high insulin both in the 3rd hour. How to treat?
Not very well: What's needed to help clear glucose from the blood after a meal is insulin. Metformin does not increase the amount of Insulin secreted, so it won't help much. It may help some, because it makes cells more responsive to whatever amount of Insulin is present. The best way to keep after-meal sugars down is to stick to the meal plan!. Light exercise may be helpful. ...Read more
When one takes a drug, such as heroin or alcohol, repeatedly, 'tolerance' develops because more of the drug is needed to give the same effect on the body/brain; e.g. Liver enzymes r stimulated to metabolize the drug faster and faster. There may be a strong genetic predisposition to addiction, some studies suggesting that 1 of 10 people will become dependent on alcohol or some ...Read more
The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. The body naturally tightly regulates blood glucose levels as a part of metabolic homeostasis. Glucose is the primary source of energy for the body's cells, and blood lipids (in the form of fats and oils) are primarily ...Read more
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