The phrase "abnormal heartbeat" is correct and usable in written English.
It can be used in medical contexts to describe a heartbeat that deviates from the normal rhythm or rate.
Example: "The doctor noted an abnormal heartbeat during the examination, which required further testing."
Alternatives: "irregular heartbeat" or "arrhythmia."
Doctors discovered she had an abnormal heartbeat and set up a procedure to correct it.
Then, two years ago, after a stress test, he learned he had an arrhythmia, an abnormal heartbeat.
Fetal monitoring has become more sophisticated, yet any questionable situation that precedes a less-than-perfect outcome -- even a slightly abnormal heartbeat -- is grounds for a lawsuit.
Most worrisome was the possibility that her syncope had been caused by an arrhythmia, an abnormal heartbeat that can cause temporary loss of blood flow to the brain.
These include Merck & Co Inc's (NYSE MRK) Fosamax, which U.S. researchers on Monday showed may increase the risk of a type of abnormal heartbeat.
Pediatrician Carla Nelson remembers catching sight of the unusually pale newborn, then hearing an abnormal heartbeat through the stethoscope and thinking that something was terribly wrong.
The monitor showed premature ventricular contractions, abnormal heartbeats that often precede cardiac arrest.
Cipro and drugs in its class can cause nausea and diarrhea and, rarely, allergic reactions, serious skin rashes, tremors, hallucinations, abnormal heartbeats and liver damage.
For somebody with my background and record with respect to coronary artery disease and previous heart attacks, there is that possibility of abnormal heartbeats.
That test, called Holter electrocardiogram monitoring, which is typically performed as patients go about their regular daily activities, seeks to detect abnormal heartbeats.
Doctors says Cipro can cause nausea and diarrhea and in rare cases serious skin rashes, tremors, hallucinatons, abnormal heartbeats and liver damage.
