Heartbeat intervals even slow down and speed up by about 100 milliseconds every time you inhale and exhale, said Dr. Partho Sengupta, chief of cardiovascular medicine for Robert Wood Johnson ...
An ECG reading captures the electrical activity ... Sinus rhythm: If everything is good and your heartbeat is in a uniform pattern between 50 and 100 BPM, you’ll see ‘Sinus rhythm’.
The Los Angeles Chargers coach went into the medical tent and then to the locker room in the first quarter Sunday to get checked out for an irregular heartbeat. An EKG showed his heart was back in ...