title: Electrocardiographic abnormalities in combined hypercalcaemia and hypokalaemia--case report.
abstract: A 47-year-old woman presented with extreme hypercalcaemia due to a parathyroid carcinoma. An electrocardiogram which was recorded when the hypercalcaemia was associated with hypokalaemia showed absence of the ST segment, prolonged T wave, a shortened QTac interval and prominent U waves.
authors.affiliation: Cardiac Department, National University Hospital, Singapore.
authors.forename: B L
authors.initials: BL
authors.lastname: Chia
authors.forename: A C
authors.initials: AC
authors.lastname: Thai
mesh_terms: D002277:Carcinoma / Q000150:complications / Q000175:diagnosis; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006934:Hypercalcemia / Q000175:diagnosis* / Q000209:etiology; D007008:Hypokalemia / Q000175:diagnosis* / Q000209:etiology; D007669:Kidney Calculi / Q000150:complications; D008875:Middle Aged; D010282:Parathyroid Neoplasms / Q000150:complications / Q000175:diagnosis