“…Symptoms of HCM are not specific and may involve renal (polyuria, dehydration, renal failure), gastrointestinal (polydipsia, anorexia, nausea and/or vomit, constipation), central nervous (fatigue, confusion, delirium, cognitive impairment, depression, ataxia, muscle weakness, psychotic attitudes, coma), and cardiovascular systems (hypertension, bradycardia, electrocardiogram (ECG) alterations, and orthostatic hypotension) 6, 7, although symptom severity has been correlated with serum calcium levels 8, 9.…”