<unk>  results from central or local tissue oxygenation defects.<unk>  could be due to both primary and secondary causes, from neurologic, psychiatric, autoimmune, infective, metabolic or other causes and its treatment depends on the underlying cause.
Acrocyanosis causes
Cyanosis causes
Pulmonary edema causes
Cardiomyopathy causes
Uveitis causes
Chronic renal failure causes
Hepatorenal syndrome causes
Diabetic nephropathy causes