In many cases, these changes cause a personâs organs to stop working. 1  Some of the signs that organs are affected include: 2  Heart â low blood pressure, fast pulse. 3  Lungs â low oxygen level, problems breathing. 4  Kidneys â making very little urine. 5  Brain â confusion, coma.
Indigestion and heartburn can cause excessive belching. Heartburn can stem from acid reflux, be the symptom of a peptic ulcer, or a sign that last night's spicy meal did not agree with your stomach lining.
If such excess gas is not expelled, it will accumulate in the stomach and intestines, thereby causing bloating. Causes. Bad gas and bloating can be caused by various factors. As mentioned above, swallowing air through the mouth (aerophagia) is a major cause for belching.