<unk> s are a common injury that results from repeated use of intravenous injections. They are particularly common where injecting conditions are less than ideal, such as in the context of drug abuse.
Collapsed vein
Dural ectasia
Varicose veins
Arteriovenous fistula
Pump thrombosis
Necklace of Venus
Venous cutdown
Dural arteriovenous fistula