View stunning SlideShares in full-screen with the new iOS app!Introducing SlideShare for AndroidExplore all your favorite topics in the SlideShare appGet the SlideShare app to Save for Later — even offline
View stunning SlideShares in full-screen with the new Android app!View stunning SlideShares in full-screen with the new iOS app!
Compression of blood vessels, especially the superior
cerebellar artery occurs
Chronic irritation of trigeminal nerve at the root entry zone
Increased firing of the afferent or sensory fibres
Right side > left side
all 3 divisions-1%
Early pain or
Pain lasts for few
seconds to a minute.
Aggravates and sufferer
have attempted suicide.