Labels:text | screenshot | black | black and white | font | document OCR: om por tal Extensive hepatic extraction of insulin f of venous blood can lead to the production elease, hypoglycaemia by inhibition of glucose 1 y high (Fig without necessarily leading to abnormal peripheral plasma insulin concentration lin level in20.13). An appropriately low plasma inst es not, the presence of fasting hypoglycaemia do noma, therefore, exclude the diagnosis of insul e is highly whereas a single inappropriately high or estigation. suggestive of it and demands further in See also: · Plasma C-Peptide Assay