respiratory sinus arrhythmia (Q63565261)
naturally occurring variation in heart rate that occurs during each breathing cycle
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aliases RSA
description naturally occurring variation in heart rate that occurs during each breathing cycle

External Links
(P486) D065809
(P494) I49.8
(P2671) /g/11bc5d61g1
(P2892) C3812870
(P3201) 10007518