Tilt-Induced Syncope

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Abstract
To the Editor: We were gratified to see further attention drawn by the paper of Almquist et al. (Feb. 9 issue) 1 to the important area of orthostatic stress testing for the induction of vasovagal syncope in patients with unexplained syncope. In our practice, we favor the term "malignant vasovagal syndrome,"2 because the features of tilt-induced syncope — bradycardia and hypotension as a result of vasodilatation — reproduce the patient's symptoms. Tilt-induced syncope fits the original description of vasovagal syncope by Lewis.3 The period of tilt recommended by Almquist et al. is only 10 minutes. We began by routinely tilting patients . . .