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People with diabetes may have potentially dangerous heart rhythm changes if their blood sugar drops very low at night, a new study finds. The findings may help to explain other research that has shown links between very low blood sugar (hypoglycemia) and sudd...

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Lab Test Interpreter


Blood Glucose Test

Most people with a blood sugar level under 40 mg/dL will have symptoms. These include:

- Episodes of feeling warm, sweaty and "out of touch"

- Unexplained episodes of heavy sweating

- Extreme hunger at unexpected times

- Feeling shaky and lightheaded

- Difficulty concentrating

 

Maybe you mentioned these symptoms to your doctor and that is why you had this blood test.

 

Why was the blood glucose test performed?

It was part of a routine blood panel.

My doctor was concerned about my symptoms.

I am not sure why the blood sugar test was done.

Date Last Reviewed: 5/3/2010
Date Last Modified: 5/3/2010
Copyright Harvard Health Publications