Structural defects: Defects inside the framework of the blood vessel may cause narrowing. Many of these are obtained at start, and also the cause is unknown. Insufficient blood and oxygen triggers chest agony (exertional angina). Exertional angina usually subsides once the affected person rests. In people with intermittent claudication, the https://www.sgvascularctr.com/types-of-treatments-for-vascular-diseases/