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Related Experiment Video

Updated: Jun 14, 2026

Ultrasonographic Assessment During Cardiopulmonary Resuscitation

Ultrasonographic Assessment During Cardiopulmonary Resuscitation

Published on: October 24, 2020

Superior vena cava obstruction evaluation with MDCT.

Sheila Sheth¹, Mark D Ebert, Elliot K Fishman

¹Department of Radiology, Johns Hopkins Medical Institutions, 600 N Wolfe St, Baltimore, MD 21287, USA. ssheth@jhmi

AJR. American Journal of Roentgenology

|March 24, 2010

Summary

This summary is machine-generated.

Superior vena cava obstruction can lead to new venous pathways. Multi-detector CT (MDCT) imaging clearly shows these bypasses, aiding in treatment planning for superior vena cava (SVC) obstruction.

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Last Updated: Jun 14, 2026

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The Supraclavicular Fossa Ultrasound View for Central Venous Catheter Placement and Catheter Change Over Guidewire

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Published on: December 23, 2014

Area of Science:

Radiology
Vascular Imaging
Medical Imaging

Background:

Superior vena cava (SVC) obstruction is a serious condition.
Collateral venous pathways can develop to circumvent SVC blockages.

Purpose of the Study:

To review CT findings of SVC obstruction.
To illustrate collateral venous pathways using MDCT.

Main Methods:

Review of CT scans in patients with SVC obstruction.
Multi-detector CT (MDCT) imaging used to visualize venous collaterals.

Main Results:

MDCT effectively demonstrates collateral venous pathways.
Detailed visualization of bypass routes around SVC obstructions.

Conclusions:

Collateral venous pathways are a common compensatory mechanism for SVC obstruction.
MDCT provides high-quality imaging of these collaterals, assisting in therapeutic strategy development.