Facial swelling
Worse in morning, gets better as day progresses
Headache
Cyanosis
Dyspnea
Cough
Arm swelling
Distended neck/chest wall veins
Telangiectasia
Neurologic abnormalities (rare)
Visual changes
Dizziness
Confusion
Seizure
Syncope
Papilledema and elevated ICP
Worse in morning, gets better as day progresses
Visual changes
Dizziness
Confusion
Seizure
Syncope
Papilledema and elevated ICP
Superior vena cava syndrome
Buccal space infections
Mediastinitis
Dental problems
Subclavian steal syndrome
Canine space infection
Aortocaval fistula
Facial cellulitis