These investigations may be ordered by your local GP.
These basic tests includes:
Blood tests (FBE, ELFT, TFT, calcium, vitamin D, iron, folate, vitamin B12, zinc, magnesium, random blood glucose, fasting cholesterol and triglycerides).
Oral glucose tolerance test if necessary (if there is elevation of random or fasting blood glucose not sufficient to diagnose diabetes mellitus).
ECG if necessary.
Sleep studies if necessary.
*Note: referral to a specialist (e.g. cardiologist, respiratory physician, endocrinologist, etc.) may be necessary before bariatric surgery.
*Note: vitamin or mineral deficiency should be corrected before bariatric surgery.