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Vasovagal Syncope International Study Categorization for Subjects With a Positive Head‐Up Tilt Table Test (n = 28)
| VASIS Criteria | CRPS Subjects With a Positive HUTT, No. (%) |
|---|---|
| Type 1: mixed | 17 (60.7) |
| Type 2A: cardioinhibitory without asystole | 1 (3.6) |
| Type 2B: cardioinhibitory with asystole | 2 (7.1) |
| Type 3: vasodepressor | 3 (10.7) |
| Orthostasis | 5 (17.9) |
Abbreviations: CRPS, complex regional pain syndrome; HUTT, head‐up tilt table test; VASIS, Vasovagal Syncope International Study.
