Cerebral Blood Flow, Heart Rate, and Blood Pressure Patterns during the Tilt Test in Common Orthostatic Syndromes

Figure 9

Vasodepressor syncope. There is a progressive drop in BP without bradycardia till syncope occurred. HR started to slow down only after a subject was tilted back to supine position. The syncope is associated with a characteristic cerebral vasodilatation pattern. Data from 27-year-old woman.