ABSTRACT
History A 22-year-old woman has had several episodes of unexplained syncope. She undergoes a tilt table test (Figures 78.1 and 78.2).
Figure 78.1
Figure 78.2
QUESTIONS 1. What physiological effect does glyceryl trinitrate (GTN) have? 2. Can you describe the vital signs during the test? 3. What is the diagnosis? 4. What is the management of this condition?
