“…PHPT can affect organs other than the skeleton and kidney when it presents as a symptomatic disease. Other affected organ systems include the neuromuscular (peripheral polyneuropathy and proximal muscle weakness), gastrointestinal tract (peptic ulcer and pancreatitis), cardiovascular (hypertension, atherosclerosis, left ventricular hypertrophy, valve calcification, and arrhythmias), and psychiatric (anxiety, irritability, apathy, psychosis, and loss of memory) disorders 15 , 18 , 19 . Also, manifestations related to symptomatic hypercalcemia can be present; these include nausea, vomiting, constipation, polyuria, polydipsia, mental confusion, coma, and a short QT interval on the electrocardiogram 20 .…”