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Annals of Intensive Care
Fig. 1 | Annals of Intensive Care

Fig. 1

From: Internal jugular vein variability predicts fluid responsiveness in cardiac surgical patients with mechanical ventilation

Fig. 1

Ultrasound probe position for IJV detection at the cricoid cartilage level (a). The patient is in the supine position at 30°. M-mode assessment of the antero-posterior diameter of the IJV in a responsive patient (b, a high variability of IJV diameter is seen) and in a non-responsive patient (c, lack of variation of the IJV diameter is seen) while on mechanical ventilation

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