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Two False‐negative Responses to the Ajmaline Test in the Wolff‐Parkinson‐White Syndrome
Author(s) -
CAVALLI AUGUSTO,
MAGGIONI ALDO,
TUSA MAURIZIO,
VOLPI ALBERTO
Publication year - 1985
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/j.1540-8159.1985.tb05902.x
Subject(s) - ajmaline , medicine , cardiology , refractory period , atrial fibrillation , refractory (planetary science) , heart block , anesthesia , electrocardiography , physics , astrobiology
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.