Algorithm for Suspected SVC Syndrome SVC syndrome suspected: Facial/arm/neck edema, distended neck/chest veins, facial plethora, dyspnea, cough, hoarseness, syncope, etc SVC Syndrome Grading: 0: Asymptomatic 1 : Mild: edema of head or neck 2: Moderate: edema in head or neck with functional impairment 3: Severe: mild/moderate cerebral edema/laryngeal edema, or diminished cardiac reserve 4: Life-threatening: significant cerebral edema, laryngeal edema, hemodynamic compromise 5: Fatal: death Matthew Ho, MD PhD @MatthewHoMD #SVC #Syndrome #Algorithm #diagnosis #management #vascular #Superior #vena #cava