Letters

Authors' reply

BMJ 1996; 312 doi: https://doi.org/10.1136/bmj.312.7030.579b (Published 02 March 1996) Cite this as: BMJ 1996;312:579
  1. John Byrne,
  2. John McMurray,
  3. Henry Dargie,
  4. Andrew Rankin
  1. Clinical research fellow Consultant cardiologist Consultant cardiologist Department of Cardiology, Western Infirmary, Glasgow G11 6NT
  2. Senior lecturer in cardiology Royal Infirmary, Glasgow G4 0SF

    EDITOR,—Because it has several flaws, Dawood Darbar and colleagues' study does not invalidate the algorithm proposed by two of us.

    Firstly, we have doubts about the authors' gold standard for the diagnosis of left ventricular dysfunction. They calculated left ventricular ejection fraction by echocardiography in some patients and by radionuclide ventriculography in others, whereas radionuclide techniques alone were used in the survival and ventricular …

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