text: An ECG may be helpful in the diagnosis of cardiac dysfunction associated with the<unk> . Findings on an ECG suggestive of cardiac dysfunction due to  hypocalcemia associated with<unk>  include prolonged QT interval.
option_0: Pseudohypoparathyroidism electrocardiogram
option_1: Hypoparathyroidism electrocardiogram
option_2: Familial hypocalciuric hypercalcemia electrocardiogram
option_3: Pseudohypoparathyroidism MRI
option_4: Autoimmune polyendocrine syndrome electrocardiogram
option_5: Pseudohypoparathyroidism laboratory findings
option_6: Addison's disease electrocardiogram
option_7: Multiple myeloma electrocardiogram