Florida children in grades six through eight are required under current law to take one semester of physical education every year, but the state is now considering a bill to eliminate the requirement for that class.
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.
Most superior vena cava syndrome cases are attributed to cancer, with the most common causes being lung cancer and non-Hodgkin lymphoma. A rare cause of superior vena cava syndrome is an infection of the mediastinum (in the chest), which causes thickening and hardness of the mediastinal tissues.