| irregular heartbeat | 21.13 | I had an irregular heartbeat, memory problems. | ||
| rapid heartbeat | 2.24 | A rapid heartbeat can be fatal. | ||
| abnormal heartbeat | 0.72 | An electrocardiogram showed an abnormal heartbeat. | ||
| slow heartbeat | 0.46 | A few had an unusually slow heartbeat. | ||
| erratic heartbeat | 0.39 | An unnecessary defibrillator firing can trigger an erratic heartbeat that could be life-threatening, cardiologists say. | ||
| regular heartbeat | 0.39 | I take medicine twice a day to stay in regular heartbeat. | ||
| too-slow heartbeat | 0.39 | Pacemakers treat a too-slow heartbeat. | ||
| racing heartbeat | 0.33 | Wojciechowski is the racing heartbeat of Duke basketball. | ||
| fast heartbeat | 0.26 | It detected four brief episodes of abnormally fast heartbeats, Reiner said. | ||
| normal heartbeat | 0.26 | We all listened for the sounds of a normal fetal heartbeat. | ||
| uneven heartbeat | 0.26 | Medical checks showed Tsibliyev had an uneven heartbeat. |