Vascular ultrasound emergency notification performance Performance Rate Descriptions: Description 1 - Percentage of diagnostic exams with a finding of a new deep vein thrombosis (DVT) that were reported to the referring provider within 16 minutes of exam completion. Description 2 - Percentage of diagnostic exams with a finding of testicular torsion that were reported to the referring provider within 15 minutes of exam completion. Description 3 - Percentage of diagnostic exams with a finding of ovarian torsion that were reported to the referring provider within 15 minutes of exam completion.