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