sinus arrhythmia
n.
Irregularity of the heartbeat due to a variation in the sinus rhythm.
Words nearby sinus arrhythmia
sinumbra lamp,
sinuosity,
sinuous,
sinus,
sinus arrest,
sinus arrhythmia,
sinus block,
sinus histiocytosis with massive lymphadenopathy,
sinus iridum,
sinus meridianii,
sinus node