A. Either of the following:
1. a single headache episode fulfilling criteria B-D
2. at least two headache episodes fulfilling criterion B and either of criteria C and D
B. Brought on by and occurring only in association with coughing, straining and/or other Valsalva manœuvre
C. Sudden onset
D. Lasting between 1 sec and 2 hr
E. Not fulfilling ICHD-3 criteria for any other headache disorder
F. Not better accounted for by another ICHD-3 diagnosis.