Hong Kong Med J 2001;7:311-4 | Number 3, September 2001
Unmasking of thyrotoxicosis during Anaesthesia
Department of Anaesthesiology, North District Hospital, 9 Po Kin Road, Sheung Shui, New Territories, Hong Kong
Two cases of subclinical and undiagnosed thyrotoxicosis that presented with unexplained tachycardia during surgery are described. Differential diagnosis and logistics in the management of patients presenting with tachycardia, with or without fever during anaesthesia are discussed. It is emphasised that when encountering unexplained tachycardia during anaesthesia, thyrotoxicosis must be suspected. Investigations for thyrotoxicosis must be carried out in the postoperative period.
Key words: Preoperative care; Tachycardia/diagnosis; Thyroid crisis/diagnosis; Thyrotoxicosis/diagnosis
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