Sentinel headache (SH) is a kind of secondary headache and is characterized as sudden, intense, and persistent, preceding spontaneous subarachnoid hemorrhage (SAH) by days or weeks.
CITATION STYLE
Pereira, J. B., de Albuquerque, L. F., Dellaretti, M., de Carvalho, G. C., Vieira, G., Rocha, M., … de Sousa, A. (2012). Importance of recognizing sentinel headache. Surgical Neurology International, 3(1), 162. https://doi.org/10.4103/2152-7806.105101
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