Other symptoms may result from arterial gas embolism in any of the following: Coronary arteries (eg, arrhythmias, myocardial infarction, cardiac arrest) Skin (eg, cyanotic marbling of the skin, focal pallor of the tongue) Kidneys (eg, hematuria, proteinuria, renal failure) Pearls & Pitfalls Any diver who loses consciousness shortly after surfacing is most likely to have arterial gas embolism and should be treated with hyperbaric oxygen as quickly as possible.