Mechanism of obstruction of the infradiaphragmatic portion of the inferior vena cava in the presence of increased intra-abdominal pressure.
D000005:Abdomen; D000792:Angiography; D000818:Animals; D003964:Diaphragm; D004285:Dogs; D006801:Humans; D008962:Models, Theoretical; D011312:Pressure; D014652:Vascular Diseases; D014682:Vena Cava, Inferior