The Surgeon's Studio Chapter 1743 You will not understand even if I tell you

Chapter 1743 You will not understand even if I tell you.

“Calculation of the inferior vena cava’s inhalation collapse: （Max D-Min D）/Max D× 100%。”Zheng Ren explained when he saw principal Zhang’s blank expression.

“Place the probe under the sword to the right, and the scan plane is parallel to the inferior vena cava. The image shows the right atrium, inferior vena cava, and hepatic vein.

Under normal circumstances, the inferior vena cava would obviously collapse with deep inhalation. The diater of the inferior vena cava was less than 2.1 cm, and the rate of inhalation collapse was& gt, 50%, which was 3 mmhcg.

When the right atrial pressure is high, the diater can be& gt, 2.1 cm, and the rate of inhalation collapse is