By entering the coding or chip into the glucose meter, the meter will be calibrated to that batch of test strips. However, if this process is carried out incorrectly, the meter reading can be up to 4 mmol/L (72 mg/dL) inaccurate.
If you're having keyhole surgery (laparoscopy), the endoscope will be inserted into a small incision your surgeon makes in your skin. An endoscopy usually takes between 15 and 60 minutes, depending on what it's being used for.
Your doctor will give you specific instructions to prepare for your endoscopy. In some cases your doctor may ask that you: Fast before the endoscopy. You will need to stop drinking and eating four to eight hours before your endoscopy to ensure your stomach is empty for the procedure. Stop taking certain medications. You will need to stop taking certain blood-thinning medications in the days before your endoscopy.