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!
Carotid sinus hypersensitivity is diagnosed when carotid sinus massage causes a three second, or longer, pause in the heart rate (cardio inhibition) - or lowering of the blood pressure by 50 mm Hg. or more (vasodepression).
Carotid Sinus Syndrome is diagnosed when typical pre-syncopal or syncopal symptoms accompany carotid sinus massage.
Recurrent syncope caused by carotid sinus stimulation;minimal carotid sinus pressure induces ventricular asystole of more than 3 seconds’ duration in the absence of any medication that depresses the sinus node or AV conduction.