Hyperparathyroidism with Wenckebach's phenomenon.
D001145:Arrhythmias, Cardiac; D054537:Atrioventricular Block; D002118:Calcium / Q000097:blood*; D004194:Disease; D006801:Humans; D006961:Hyperparathyroidism; D008499:Medical Records; D010279:Parathyroid Diseases; D010280:Parathyroid Glands
D002118:Calcium
ARRHYTHMIA/case reports; CALCIUM/blood; PARATHYROID GLANDS/diseases