3126 Not a laughing matter! Brisk reflexes despite absent snaps with isolated lateral cord MRI T2-hyperintensity secondary to nitrous oxide toxicity

• Elizabeth Thompson,
• Michael Barnett,
• Gabor Michael Halmagyi,
• Matthew Georgiades

Affiliations

Elizabeth Thompson

3Radiology, MRI, Royal Prince Alfred Hospital, Sydney, NSW, Australia

Michael Barnett

2Neurology Department, Royal Prince Alfred Hospital, Sydney, NSW, Australia

Gabor Michael Halmagyi

1Department of Neurology, Royal Prince Alfred Hospital, Sydney, NSW, Australia

Matthew Georgiades

1Sydney Medical School, University of Sydney, Sydney, NSW, Australia