<unk>  <unk> , is an examination that uses x-rays to visualize blood flow in arterial and venous vessels throughout the body.  This ranges from arteries serving the brain to those bringing blood to the lungs, kidneys, arms and legs.
Computed tomography angiography
Magnetic resonance angiography
Angiogram
Lymphangiogram
Venography
CT angiography
In vivo magnetic resonance spectroscopy
Ventilation/perfusion scan