Medics are baffled but think the jolt triggered a rare underlying condition, transverse myelitis, that swells the spinal cord.
The Sun (2017)
The aim is to reduce inflammation and pain and to treat any underlying condition.
Times, Sunday Times (2010)
Figurate erythemas are a group of dermatoses mostly developing in response to an underlying condition.
Serdar Zehra, Mansur Ayse, Yasar Sirin, Endogru Elvan, Gunes Pembegul 2009, 'Erythema gyratum repens-like atypical and persistent figurate erythema', Indian Journal of Dermatology