<prompt> Duodenal blow out is usually seen at which day of the post operative period?4th11th2nd7th  <response>: Ans: a 4th dayDuodenal blow out usually occurs between 2-7 days of surgery, more specifically on the 4th.It presents as abdominal pain, tachycardia, worsening of the general condition of the patient.It usually occurs after Billroth -II gastrectomyManagement:Total parenteral nutrution is given, catheter is placed immediately below the right costal margin and the electrolytes are replenished.Billroth I:Billroth IILower half of the stomach removed and is anastomosed to the Ist part of duodenum23rd of the stomach is removed; duodenal stump is closed and stomach is anastomosed to the jejunum. 