Two False‐negative Responses to the Ajmaline Test in the Wolff‐Parkinson‐White Syndrome

A Cavalli; Aldo Maggioni; Maurizio Tusa; Alberto Volpi

doi:10.1111/j.1540-8159.1985.tb05902.x

Abstract

1 min read

Anterograde block in the accessory pathway with a short effective refractory period was observed after intravenous (IV) injection of 1 mg/kg of ajmaline in two patients with the Wolff-Parkinson-White syndrome. The possibility of a false-negative response to this test is discussed. Ajmaline is proposed as an emergency drug in the Wolff-Parkinson-White syndrome in the setting of atrial fibrillation with a very high ventricular rate.

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