<prompt> Thiamine deficiency is known to occur in all of the following exceptFood faddistHomocystinemiaChronic alcoholicChronic hea failure  <response>: beriberi, may or may not be associated with hea failure and edema acute pernicious fulminating beriberi, in which hea failure and metabolic abnormalities predominate Wernicke encephalopathy is associated especially with alcohol and narcotic abuse ref harper 13th ed page 556 