âPrimary care physicians fall into [one of two categories]: family medicine doctors and internal medicine doctors,â explains Saju Mathew, M.D., a primary care physician at Piedmont Physicians Group. âWeâre all primary care physicians, but the biggest difference is internal medicine doctors are like adult pediatricians.â.
Other arrhythmias include: 1  Premature Contractions. Extra, early, or âskippedâ beats are the most common cause of irregular heart rhythms. 2  Long QT Syndrome (LQTS) Long QT Syndrome is a disorder of the electrical system. 3  Heart Block.
We have put Rhythm as step 1 as it is of great importance. Arrhythmias include the most life-threatening ECG abnormalities. In most settings, however, the rhythm will be sinus. If the rhythm is not sinus, the Arrhythmias algorithm should be followed. Sinus arrhythmias. Some variants of sinus rhythm exist: Asystole; Sinustachycardia (>100 beats per minute)