Related Experiment Video
Updated: Aug 18, 2026

A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis
Published on: June 2, 2015
A systems approach to the diagnosis of venous thrombosis and insufficiency
Abstract:
This systems approach to the diagnosis of venous vascular obstruction and venous insufficiency relies on use of the segmental pneumoplethysmograph. The method is a useful diagnostic tool when evaluating these diseases. The drainage test indicates deep, large venous thrombosis. The dependency test indicates either thrombosis or venous insufficiency. And the tourniquet test differentiates the presence of deep from superficial vein insufficiency.
Related Concept Videos
Overview of Systemic Veins
The coronary sinus, the heart's principal vein, resides in the coronary sulcus on the heart's posterior aspect. This broad venous channel receives nearly all venous blood from the myocardium, the heart muscle. It is fed by three primary veins: the great cardiac vein, the middle...
Varicose Veins II: Diagnostic Studies and Interprofessional Care
Venous Thrombosis I: Introduction
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies
Venous Thrombosis III: Interprofessional Care
Venous Thrombosis IV: Nursing Management

