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Copyright ©The Author(s) 2024.
World J Cardiol. Feb 26, 2024; 16(2): 73-79
Published online Feb 26, 2024. doi: 10.4330/wjc.v16.i2.73
Figure 4
Figure 4 Increase in the size of internal jugular vein with Valsalva maneuver by several folds in a spontaneously breathing person with normal right atrial pressure.