Wendie Malick is 66 years old (birthdate: December 13, 1950).
What to know about fasting before your lab test. With certain blood tests, you may be instructed to fast for up to eight hours before your appointment. Fasting before a blood draw means you donât eat or drink anything except water. Donât wait until the day of your blood draw to ask if you should fast. That could cause your appointment to be rescheduled.
Doctors will typically use either the fasting plasma glucose test (FPG) or the oral glucose tolerance test (OGTT). These tests require the patient to fast overnight. A normal fasting blood glucose level is below 100 mg/dl-between 100 and 125 mg/dl a person has pre-diabetes.If the blood glucose level rises to 126 mg/dl or above, a person has diabetes. When it comes to the OGTT test, a person's blood glucose is measured after a fast and 2 hours after a drink rich in glucose.octors will typically use either the fasting plasma glucose test (FPG) or the oral glucose tolerance test (OGTT). These tests require the patient to fast overnight. A normal fasting blood glucose level is below 100 mg/dl-between 100 and 125 mg/dl a person has pre-diabetes.