A naturally occurring variation in heart rate that occurs during a BREATHING cycle, where the time between heartbeats is shortened during inspiration and prolonged during expiration. It is not the same as SINUS ARRHYTHMIA, the disorder.
A naturally occurring variation in heart rate that occurs during a BREATHING cycle, where the time between heartbeats is shortened during inspiration and prolonged during expiration. It is not the same as SINUS ARRHYTHMIA, the disorder.