Clinical Utility of Impedance Plethysmography in the Diagnosis of Recurrent Deep-Vein Thrombosis

The last decade has witnessed a marked change in the attitude of physicians to the diagnosis of venous thrombosis. The early observation made by Haeger1 of the nonspecificity of clinical diagnosis has been confirmed repeatedly2-4 and it is no longer acceptable to make management decisions on clinical diagnosis alone. Venography, the diagnostic standard, is now safer and more reliable because of improved standards of technique and …