An arrhythmia is a heart rhythm that is irregular, too fast, or too slow. Transient idiopathic arrhythmia is a type of temporary irregular heart rhythm that does not have a cause doctors can identify.

An arrhythmia is an atypical heartbeat that is either much faster or slower than expected. Your heartbeat may be described as chaotic, rather than steady and predictable. There are several types of ...

A sinus arrhythmia refers to a problem with the sinus node of the heart. This controls the rhythm of the heart and can be fast (sinus tachycardia) or slow (sinus bradycardia). This article looks at ...

Events like panic attacks or low blood sugar can sometimes mimic arrhythmia symptoms. Several other conditions can contribute to, occur alongside, or result from arrhythmia. An arrhythmia is the ...

What is atrial fibrillation, and why has Apple decided that it’s worth screening for it? The first question is much easier to answer, so let’s get that out of the way. Your heart has four chambers, ...