Left ventricular performance in subclinical hypothyroidism.

  title={Left ventricular performance in subclinical hypothyroidism.},
  author={J. Colin Forfar and Christopher G Wathen and William Andrew Todd and G M Bell and W James Hannan and Alister Muir and Anthony D Toft},
  journal={The Quarterly journal of medicine},
  volume={57 224},
Normal plasma thyroid hormones with elevation of thyrotrophin levels in asymptomatic patients is known as subclinical hypothyroidism. Radionuclide angiography was used to study left ventricular function in 10 such patients before and after establishment of normal thyrotrophin levels with thyroxine. Resting left ventricular ejection fraction was similar in both states but exercise left ventricular ejection fraction was less in the subclinical hypothyroid (61 +/- 3 per cent) compared with the… CONTINUE READING


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