Ictal asystole: an uncommon but significant cause of transient loss of consciousness-a case series

Abstract

Ictal bradycardia and asystole are rare, but potentially serious complications of epileptic seizures. We present a case series of three such patients diagnosed through our syncope service. For two patients, treatment with anticonvulsant therapy alone achieved symptom control. The third patient was initially managed with permanent pacemaker insertion due to detection of a significant ventricular pause. He subsequently developed more pronounced symptoms suggestive of seizure.Ictal asystole can cause significant diagnostic challenge and management strategies remain controversial due to the overlap in presentation to cardiology and neurology services. The number of patients affected is low, impeding the formulation of an evidence base for treatment. We propose multidisciplinary working facilitated by a specialist syncope service as a means of recognising and treating this condition more effectively.

Keywords: arrhythmias; epilepsy and seizures.