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Syndrome reference sheet
Generated 13 Oct 2026
Cardiology · Cardiology / Vascular medicine

Superior vena cava syndrome

Also known as: SVC obstruction

Obstruction of blood flow in the superior vena cava.

Medical specialty
Cardiology
Subspecialty
Cardiology / Vascular medicine
Sex & age distribution
Male: affected; Female: affected; Children: yes
Gene(s) involved
None recorded

Etiology & mechanism

Malignancy, thrombosis around catheters, mediastinal fibrosis.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (8)

arm swellingchest wall venous collateralscoughdistended neck veinsdyspneafacial swellingheadachehoarseness
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.