Health TipsCommon causes of abnormal heart rhythm March 18, 2019March 18, 2019 - by desunhospital - Leave a Comment Atrial fibrillation and flutter – upper chamber of the heart beat too fast and irregularly. Congestive heart failure – the condition that impacts the pumping power of the heart. Mitral valve prolapse – the flaps of the mitral valve do not close properly. Hypersensitive heart disease – a condition of heart caused by high blood pressure. Ischemic cardiomyopathy – weak heart muscles. pulmonary embolism – blood clot in lungs. Expert’s advice recommended