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Table 1

Findings from Ultrasound, Radiographic Analysis and Transient Vision Loss Measurements Before and After
First Adjustment and the Change in Findings

OutcomeBefore First AdjustmentAfter First AdjustmentChange
VA volume, right162 mL/min198 mL/min+36 mL/min
Improved
VA volume, left159 mL/min172 mL/min+13 mL/min
Improved
VA speed, right29.8 cm/s32.4 cm/s+4.6 cm/s
Improved
VA speed, left27.6 cm/s26 m/s–1.6 cm/s
Not improved
C1-C2 rotational misalignment–2 degrees
Improved
Transient vision lossOnset after 4 s in cervical rotationOnset after 9 s in cervical rotation+5 s
Improved
VA, vertebral artery.