Unexplained tachycardia in an elderly patient.
Brennan
M
M
Morgan
H J
HJ
D000368:Aged; D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000150:complications / Q000175:diagnosis*; D013610:Tachycardia / Q000209:etiology*; D013960:Thyroid Function Tests