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.
How long does an endoscopy take - How long does an upper endoscopy take? EGD is pretty quick. Upper endoscopy uses an optical device on a flexible, steerable tube to examine esophagus, stomach, & upper small bowel. Often, biopsies are taken to rule out barrett's esophagus, eosinophilic esophagitis, h.Pylori bacteria, celiac sprue.