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Blood sampling under ultrasound guidance

Patient Positioning

Patient seated, arm in internal rotation, elbow flexed (90°) and extended resting on the examination table (pillow)

Probe Positioning

Place the transducer without pressure over the vein, which shall be punctured

Note: in patients with difficulties puncturing the vein, the procedure can be done under ultrasound guidance - in this case with the hockey stick probe. It is important to avoid pressure, so that the vein is not compressed.