Optimal management remains unclear
Some case reports found improvement with
topical nitroglycerin
brachial plexus nerve block
elevation, heat application, soft tissue massage
Consider vascular or hand consult if digital or skin necrosis suspected
Anticoagulation is occasionally started (no clear evidence that it is effective) 
topical nitroglycerin
brachial plexus nerve block
elevation, heat application, soft tissue massage
Anticoagulation is occasionally started (no clear evidence that it is effective)
Purple glove syndrome
Simple IV fluid extravasation
Rucksack paralysis
Arterial thrombosis
Irukandji syndrome
Compartment syndrome
Pancoast syndrome
Cellulitis