An additional small quantity of O2 is carried dissolved in plasma: .003 ml O2/dl plasma/mm Hg PaO2, or .3 ml O2/dl plasma when PaO2 is 100 mm Hg. Since normal CaO2 is 16-22 ml O2/dl blood, the amount contributed by dissolved (unbound) oxygen is very small, only about 1.4% to 1.9% of the total.
While many conditions cause blockages, patients often experience similar symptoms of bile duct obstruction. For this reason, Florida Hospital physicians encourage patients to seek medical screening immediately when signs of biliary obstruction occur.Symptoms of bile duct obstruction include the following:1  Upper right side abdominal pain. 2  Nausea or vomiting. 3  Sweating/chills. 4  Fever. 5  Dark urine. 6  Loss of appetite (inappetance).7  Weight loss. 8  Pale stools.ymptoms of bile duct obstruction include the following: 1  Upper right side abdominal pain. 2  Nausea or vomiting. 3  Sweating/chills. 4  Fever. 5  Dark urine. 6  Loss of appetite (inappetance). 7  Weight loss. 8  Pale stools.
In such cases, symptoms can develop. In most cases of obstruction, the stones block the cystic duct, which leads from the gallbladder to the common bile duct. This can cause pain (biliary colic), infection and inflammation (acute cholecystitis), or both.