All of the following are associated with Atrioventricular block, except:
Adrenal insufficiency is associated with Atrioventricular Block (Not cushing&;s syndrome). Metabolic/Endocrine Causes of AV Block: Hyperkalemia Hypermagnesemia Hypothyroidism Adrenal Insufficiency Ref: Harrison 19th edition Pg no: 1471
Hyperkalemia
Hypomagnesemia
Hypothyroidism
Cushing's syndrome
C.V.S