»GERD.For example, perhaps you feel stomach tightness in your upper abdominal area. In some cases, this could be a sign of GERD (gastro-intestinal reflux). With GERD, minute portions of the stomach acid escape and travel back up the stomach and into the esophagus, causing heartburn and ...
Atrial flutter is another type of abnormal heart rhythm. It happens when a short circuit causes the upper chambers of your heart (atria) to pump too fast. In atrial fibrillation, the heart's electrical impulses come from multiple areas, causing the atrial walls to contract instead of contractin...
Other circumstances may occur where the heart's oxygen demand is increased and angina occurs. Oxygen demand increases when the heart is asked to pump harder and faster. Examples include tachycardias like atrial fibrillationor atrial flutter that are out of control,fevers,hyperthyroidism, and the str...
Other circumstances may occur where the heart's oxygen demand is increased and angina occurs. Oxygen demand increases when the heart is asked to pump harder and faster. Examples include tachycardias like atrial fibrillationor atrial flutter that are out of control,fevers,hyperthyroidism, and the str...
withscartissue that is unable to contract. This may decrease the heart's ability to pump as strongly as before. As well, heart muscle that loses its blood supply can become irritable and result in heart rhythm disturbances like ventricularfibrillationor ventricularflutterthat can result in sudden ...