there are three chambers to the lungs and to listen to all of them efficiently-the dr has to put the stethoscope in 4 different places. once on your upper back (near your shoulder blades), once on the sides of your waist, once on your lower back and then in the front at the center of your chest which is close to your heart.
Food allergies and intolerances can cause gas and bloating. But these need to be confirmed by your doctor. Many people self-diagnose these conditions and unnecessarily eliminate healthy dairy and whole grains from their diets. If you suspect you have an allergy or intolerance, see your doctor for tests.
Prevalence, Causes and Treatment. One of the the commonest cause of bloating is food intolerance - or the inability to fully digest certain foods. Incomplete digestive processing produces unexpected gases in the intestine - creating painful pressure, and making the abdomen balloon outwards - stomach bloating.