What to Know About Sinus Arrhythmias, a Type of Irregular Heartbeat Lisa Marie Conklin
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What is a sinus arrhythmia?
Despite its name, a sinus arrhythmia has nothing to do with a common sinus infection. It is a disorder of the heart rate or heart rhythm.
A sinus arrhythmia (a medical term for an irregular heartbeat) means that the heart beats too fast or too slow, or irregularly.
Most often a sinus arrhythmia is temporary and nothing to worry about like the accelerated heartbeat you feel when you had an extra shot of espresso or slower heartbeat when you re sleeping.