. "C0232187"^^ . . "NICHD"^^ . "Cardiac RhythmSYNCI" . . "Heart RhythmPTNCI" . "Clinical Attribute"^^ . "The recurrent, measured movements (rhythm) of a beating heart.NCI" . . . "Heart Rhythm"^^ . "C87081"^^ . . "Heart RhythmPTNICHD" . "Heart Rhythm"^^ .