The Sengstaken tube must maintain a pressure of ...... to stop bleeding from varices:
Sengstaken tube - have 2 balloon 1)Gastric balloon 2)Esophageal balloon It is triple lumen; double ballooned tube. It is used mainly during transpoation of patient. Total amount of air inseed in gastric balloon = 50 + 250 ml (min air) =300 ml Maximum pressure exeed by esophageal balloon = 35-40 mm of Hg Every 12 hrs the esophageal balloon has to be deflated to prevent Ischemia & necrosis of the esophagus.
20 mm Hg
25 mm Hg
35 mm Hg
45 mm Hg
Poal Hypeension