Study's conclusion is misleading and cannot be generalised

doi:10.1136/bmj.311.7000.326c

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Mark Wallace,
Mark Levy

Trainee general practitioner Trainer in general practice Prestwood Avenue Surgery, Kenton, Middlesex HA3 8JZ

EDITOR,--C M Francis and colleague's conclusion that echocardiography led to advice about a change in management in 70% of patients with established or suspected heart failure as diagnosed by their general practitioners is misleading.1 Their …