An irregular or fluttering heartbeat could be caused by atrial fibrillation (AFib) , the most common type of irregular or abnormal heartbeat. Another heart problem, called premature ventricular contractions, can create this irregular beat.6 Eyl 2019
An irregular or fluttering heartbeat could be caused by atrial fibrillation (AFib) , the most common type of irregular or abnormal heartbeat. Another heart problem, called premature ventricular contractions, can create this irregular beat.6 Eyl 2019