Keywords: first degree heart block, type 2 second degree heart block, type 1 second degree heart block, myotonic dystrophy with heart involvement, muscular dystrophy with heart disease, heart failure with reduced ejection fraction (hfref), heart failure with preserved ejection fraction (hfpef), heart failure screening, heart failure cough, heart disease, end stage heart disease, autoimmune heart diseases, advanced heart failure (ahf), acute decompensated heart failure, right heart failure, right bundle branch block, rheumatic heart failure, rheumatic heart disease, prosthetic heart valves, left bundle branch block

Keywords: first degree heart block, type 2 second degree heart block, type 1 second degree heart block, heart disease, arrhythmias (heart) therapy, heart murmur, atrioventricular block, congestive heart failure (chf), left bundle branch block, heart problems, right bundle branch block, heart racing, myotonic dystrophy with heart involvement, muscular dystrophy with heart disease

Keywords: first degree heart block, type 2 second degree heart block, type 1 second degree heart block, congenital heart disease, right heart failure, fetal congenital heart disease, heart murmur, heart racing, cyanotic heart disease, hypoplastic left heart syndrome, congestive heart failure (chf), obstructive anomalies of the heart, prosthetic heart valves

Keywords: first degree heart block, heart failure screening, heart disease, left heart failure, heart health, right heart failure, right bundle branch block, rheumatic heart failure, rheumatic heart disease, left bundle branch block, infiltrative disorders of the heart, heart problems