cardiovascular sensitivity to catecholamines was assessed in 15 patients with hypothyroidism ( mean [ +/- sem ] thyroxine [ t4 ] index 2.7 +/- 0.5 micrograms/100 ml , thyroid stimulating hormone [ tsh ] 136.9 +/- 48.3 microu/ml ) , aged 45 +/- 4 years and in 8 healthy control subjects .
C0020676
hypothyroidism
C0040165
thyroxine