possibly a bruit?

I had it when my neck muscles were in spasms.
The muscles placed pressure on the arteries and made the whooshing sound in my head.

they have some sounds of bruit online - at the bottom of this linked page-
http://www.fistulafirst.org/Healthca...eConcept9.aspx
[Listen for the Bruit

From: Tushar Vachharajani, MD, FACP, FASN, Associate Professor Internal Medicine/Nephrology, Director, Dialysis Access Group of WFU, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA]