Differential diagnosis Vascular (or arterial)<unk>  typically occurs after activity or ambulation for a distance with resultant vascular insufficiency (lack of blood flow) where the muscular demands of oxygen outweighs the supply. Symptoms are lower extremity cramping. Resting from activity even in a standing position may help relieve the symptoms. Spinal or neurogenic<unk>  may be differentiated from arterial<unk>  based on activity and position. In neurogenic<unk> , positional changes lead to increased stenosis (narrowing) of the spinal canal and compression of nerve roots and resultant lower extremity symptoms. Standing and extension of the spine narrows the spinal canal diameter. Sitting and flexion of the spine increases spinal canal diameter. A person with neurogenic<unk>  will have worsening of leg cramping with standing erect or standing and walking. Symptoms may be relieved by sitting down (flexing the spine) or even by walking while leaning over (flexion of the spine) a shopping cart. The ability to ride a stationary bike for a prolonged period of time differentiates neurogenic<unk>  from vascular<unk> . Weakness is also a prominent feature of spinal<unk>  that is not usually present in intermittent<unk> .
Claudication
Cavitation 
Chest pain
Palisade 
Palpitations
Edema
Xiphodynia
Cardiomegaly