Doctor insights on:
Does Eating Before A Blood Test Raise Cholesterol Levels
Minimally, if at all: Remember most of the cholesterol in your body is made by your liver. Only about 1/4 of it comes in through your diet, and if you are adequately fasting (at least 8 hours), most of the dietary cholesterol should be out of your system. Also, the total and HDL (good) cholesterols are not affected much by diet, and can be checked without fasting. ...Read more
Meals and potassium: Your potassium (k) level is dependent on various factors. Some are, any presence of chronic kidney disease (ckd), if the rbc's in the blood were broken going into the test tube, how long the blood was in the tube before the k level was done and how long before the test you ingested and the and the amount of k you ate. Speak to the doctor (d) who ordered the test and ask the d if you have any ckd. ...Read moreSee 1 more doctor answer
Bad: High fasting blood sugars is bad and usually associated with high hba1c levels. But very low levels may be harmful (say less than 6). ...Read more
Is it possible to have normal blood sugar levels and high insulin levels? If blood sugar is normal, do drs routinely test insulin levels?
I was wondering does the comprehensive metabolic panel blood test also test for blood sugar levels?
Will alcohol 24 hrs before a blood test show low hemogoblin levels? Male 23yo 56kg. Not too much protein in diet. Thanks.
If anemic: If a person is anemic, his hemoglobin test result will be low, regardless of whether or not he drank alcoholic drinks the day before. Likewise, if he is not anemic, his hemoglobin result will not be low, regardless of the alcoholic drinks he had the day before. ...Read more
Depends: If you did the one-hour test, it means you need to do the definitive 3 hour test. If it was one elevation on the 3 hour test, then you are not a gestational diabetic (unless your one was a really elevated fasting glucose). It is a good idea to watch your diet and carbs if you had one elevation tho. ...Read moreSee 1 more doctor answer
Caffeine and glucose: Very individual response. Would do a PUBMED search on this. ...Read more
Rare disorder: Symptoms include nervousness, sweating, hunger, anxiety, blurred vision, fatigue, fast heart rate, etc. -- however unless you have diabetes and are on Insulin or other medication, have renal or liver disease, cancer or prior stomach surgery -- then true hypoglycemia never occurs in human beings. If it a very frequently and incorrectly made diagnosis. ...Read more
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