Patient Positioning
Patient seated in front of the examiner, hand palm down resting on a examination table.
Probe Positioning
Place the transducer on longitudinal planes over the joints and digits of interest. Do not use any pressure – especially while looking for effusion or using doppler mode.
MCJ: metacarpal joint
Note: in normal conditions, the synovial tissue does not show any pathologic doppler signal, no synovial effusion