Variations in pressure-pulse secondary to respiration and changes in intrathoracic pressure in children.
D001794:Blood Pressure; D002648:Child; D004562:Electrocardiography; D006801:Humans; D010701:Phonocardiography; D010991:Plethysmography; D012119:Respiration
ELECTROCARDIOGRAPHY; PHONOCARDIOGRAPHY; PLETHYSMOGRAPHY; RESPIRATION