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JA Clinical Reports
Fig. 2 | JA Clinical Reports

Fig. 2

From: Venous cannula occlusion during cardiopulmonary bypass recognized by ultrasonography of the internal jugular vein

Fig. 2

Ultrasound image of the internal jugular vein. A Dilated internal jugular vein (IJV) during cardiopulmonary bypass with a venous cannula in the superior vena cava. B Collapsed IJV after repositioning the venous cannula. We confirmed IJV distension using compression by cervical echo. Before the devascularization was corrected, the IJV had a circular shape similar to that of an artery. In addition, the IJV did not collapse upon compression by the echo probe. After the devascularization position was corrected, the IJV easily collapsed under compression

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