INI-CET 2017 — Obstetrics and Gynecology

Q: A pregnant lady was admitted with diagnosis of PIH for monitoring and bed rest. When lying in supine position, which of the following complications is depicted in the image below?

Supine venocaval syndrome. ***Supine venocaval syndrome*** - The image depicts a pregnant woman lying in a **supine position**, where the **gravid uterus** compresses the **inferior vena cava (IVC)** and potentially the aorta against the vertebral column. - This compression of the IVC leads to reduced venous return to the heart, causing a drop in cardiac output and blood pressure, known as **supine venocaval syndrome** or **aortocaval compression syndrome**. *Abdominal aorta syndrome* - While the aorta can also be compressed in the supine position by the gravid uterus, symptoms primarily arise from **venous compression (IVC)** due to its lower pressure, which is more easily obstructed. - Significant symptoms solely from **aortic compression** are less common than those from IVC compression. *Ascending aorta syndrome* - The **ascending aorta** is located in the chest, not in the abdomen, and would not be compressed by the gravid uterus. - This condition generally refers to issues like ascending aortic aneurysm or dissection, unrelated to uterine compression. *Superior vena cava syndrome* - **Superior vena cava (SVC) syndrome** results from obstruction of the SVC, typically by **mediastinal tumors** or **thrombosis**. - The SVC is in the upper chest and is not affected by the gravid uterus in a supine position. [Practice more Obstetrics and Gynecology PYQs on OnCourse]

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Questions

A pregnant lady was admitted with diagnosis of PIH for monitoring and bed rest. When lying in supine position, which of the following complications is depicted in the image below?