<prompt> A young male with gallbladder stones shows the following test results; serum bilirubin 2.5, Hb 6; urine test positive for urobilinogen; diagnosis is:Hemolytic jaundiceObstructive jaundiceHepatocellular jaundiceProtoporphyria  <response>: Answer is A Haemolytic jaundice All findings in the question corroborate with a haemolytic picture. Presence of Urobilinogen in urine rules out an obstructive cause for jaundice. Decrease in haemoglobin and elevated bilirubin levels are consistent with a haemolytic cause. Gall stones can be explained by precipitation of bilirubin Bilirubinate crystals Distinguishing features between various forms of Jaundice : Parameter Hemolytic Hepatocellular Obstructive Blood Blood Blood Haemoglobin 12-18 gdI Unconjugated bilirubin 0.2 to 0.7 mgdl Conjugated bilirubin 0.1 to 0.3 mgdl Alkaline phosphatase 3-13 KAU 30 to 120 IUL Aminotransferases . Cholesterol Decreased N N N. N or N or N N. N N Stool Stool Stool Colour of stool N N Pale Urine Urine Urine Bilirubin Urobilinogen 0 Note : Gilbes Syndrome and Criggler Najjar syndrome: are enzyme disorders characterized by defective conjugation. They thus present with a picture similar to Hemolytic with the following exceptions: a. Hb is not decreased b.Urobilinogen is not increased N or Rotors syndrome and Dubin Johnson syndrome are characterized by defective excretion. They thus present with a picture similar to obstructive with the following exceptions: Alkaline phosphatase is not raised. 