ARRT Certified Technologist Vascular Sonography (VS) The VS credential now emphasizes advanced hemodynamic assessment and plaque characterization—reflecting how vascular ultrasound has shifted toward risk stratification beyond simple stenosis measurement. Updated competencies include spectral Doppler interpretation for complex flow patterns and recognition of vulnerable atherosclerotic features, positioning sonographers as critical diagnostic partners in stroke and limb-salvage protocols.
| Exam Name | ARRT Certified Technologist Vascular Sonography |
| Exam Code | VS |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
