text: <unk>  is a rare congenital heart disease caused by defects in the heart conduction system diagnosed on or before 28 days of life. It can lead to slowed heart rate.
option_0: Congenital heart block
option_1: Conduction system disease
option_2: Cyanotic heart defect
option_3: Heart valve dysplasia
option_4: Cardiac arrhythmia
option_5: Heart block
option_6: Congenital cyanotic heart disease
option_7: Respiratory sinus arrhythmia