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.
There are many causes of bloating, including: diet, irritable bowel syndrome, lactose intolerance, reflux, and constipation. Specific medical conditions like Crohn's disease or bowel obstruction can also contribute to the amount of stomach bloating experienced.