preferred_name: continuous electrocardiogram second degree atrioventricular block with 4:1 conduction
preferred_name_lc: continuous electrocardiogram second degree atrioventricular block with 4:1 conduction
label: continuous electrocardiogram second degree atrioventricular block with 4:1 conduction
label_lc: continuous electrocardiogram second degree atrioventricular block with 4:1 conduction