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.
Bloating can be caused by too much gas in the intestines, although you can also feel bloated and have a normal amount of gas. You can also feel bloated if you have an intestinal disorder, such as irritable bowel syndrome (IBS), which makes you more sensitive to the presence of gas in your intestines.
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. A major cause of stomach bloating is Gluten intolerance. 2  Another major cause of bloating is Dairy intolerance-including lactose intolerance. 3  Also-Fructose sensitivity causes stomach bloating. 4  Other causes of bloating are Nightshade Vegetables and Yeast Sensitivity.