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. 2023 May 31;12(11):3783. doi: 10.3390/jcm12113783

Table 3.

ICHD-3 diagnostic criteria of FHM1, FHM2, and FHM3 [1].

FHM 1 FHM 2 FHM 3
A. Attacks fulfilling criteria for FHM A. Attacks fulfilling criteria for FHM A. Attacks fulfilling criteria for FHM
B. A mutation on the CACNA1A gene has been demonstrated. B. A mutation on the ATP1A2 gene has been demonstrated. B. A mutation on the SCN1A gene has been demonstrated.