What is superior vena cava syndrome (SVCS)?

Updated: Mar 26, 2018
  • Author: Todd A Nickloes, DO, FACOS; Chief Editor: Vincent Lopez Rowe, MD  more...
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Answer

Superior vena cava syndrome (SVCS) is obstruction of blood flow through the superior vena cava (SVC). It is a medical emergency and most often manifests in patients with a malignant disease process within the thorax. A patient with SVCS requires immediate diagnostic evaluation and therapy.


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