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Keywords:

  • sinus node dysfunction;
  • encephalitis; N-methyl-D-aspartate receptor;
  • arrhythmia;
  • autonomic dysfunction

A form of limbic encephalitis associated with antibodies against the N-methyl-D-aspartate receptor (NMDAR) was discovered in 2007. It is often a multistage illness that progresses from psychosis, memory deficits, seizures into a state of unresponsiveness with catatonic features, abnormal movements, autonomic, and respiratory instability. We present two cases of anti-NMDAR encephalitis to highlight the cardiac complications and their management.