<unk>  is a condition in which cold temperatures or strong emotions cause blood vessel spasms that block blood flow to the fingers, toes, ears, and nose.
Raynaud's phenomenon
Raynaud's disease
Venous claudication
Buerger's disease
Varicose veins
Monckeberg's arteriosclerosis
Buerger's disease criteria
Buerger's disease risk factors