text: <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.
option_0: Acrocyanosis causes
option_1: Cyanosis causes
option_2: Pulmonary edema causes
option_3: Cardiomyopathy causes
option_4: Uveitis causes
option_5: Chronic renal failure causes
option_6: Hepatorenal syndrome causes
option_7: Diabetic nephropathy causes