To determine if you are a good candidate for Gastric Balloon placement, you will need to undergo some tests and evaluations by your doctor. These may include measurement of your BMI, blood pressure, cholesterol levels, blood sugar levels, liver function tests, kidney function tests, heart function tests, lung function tests, sleep apnea tests, thyroid function tests, bone density tests, or other medical conditions that may affect your suitability for the procedure. Your doctor will also discuss with you the benefits and risks of Gastric Balloon placement compared to other weight loss options.