Simple categories matching electrocardiographic:

• abnormality,

Members with property electrocardiographic:

• sinus_bradycardia,
• sinus_arrhythmia,
• neutropenia,
• conduction_disturbance,
• arrhythmia,
• ventricular_hypertrophy,
• sinus_tachycardia,
• bradycardia,
• std,
• atrial_flutter,
• ventricular_tachycardia,