Diagnostic criteria:
A. Fulfils criteria for 1.2.3.1 Familial hemiplegic migraine
B. Genetic testing has demonstrated no mutation on the CACNA1A, ATP1A2 or SCN1A genes.
Diagnostic criteria:
A. Fulfils criteria for 1.2.3.1 Familial hemiplegic migraine
B. Genetic testing has demonstrated no mutation on the CACNA1A, ATP1A2 or SCN1A genes.