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Updated: May 28, 2026

A Simple Cell-based Immunofluorescence Assay to Detect Autoantibody Against the N-Methyl-D-Aspartate (NMDA) Receptor in Blood
Published on: January 9, 2018
Anti-NMDA receptor encephalitis associated with ictal asystole
Mark Lee1, Nicholas Lawn, David Prentice
1Department of Internal Medicine, Royal Perth Hospital, Wellington Street, Perth, Western Australia 6000, Western Australia, Australia. kvmlee@hotmail.com
Abstract:
Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis usually presents with psychiatric symptoms, behavioural changes, impaired consciousness, seizures and autonomic instability. Ictal asystole is a rare phenomenon associated with complex partial seizures. It is implicated as a potential cause of sudden unexpected death in epilepsy. We report a 41-year-old woman who presented with anti-NMDAR encephalitis. During continuous video electroencephalogram and cardiac monitoring, an episode of ictal asystole was detected. We discuss the potential link between anti-NMDAR encephalitis and ictal asystole. Treatment options for ictal asystole in the setting of anti-NMDAR encephalitis are also discussed.
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Seizures: Classification
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types: