Sinus arrhythmia.
Snowberger
P
P
D000328:Adult; D001146:Arrhythmia, Sinus / Q000150:complications / Q000175:diagnosis / Q000451:nursing*; D003424:Crohn Disease / Q000150:complications*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D009730:Nursing Assessment / Q000379:methods*