1st sign of Burst abdomen is
**Core Concept**
The question pertains to the clinical presentation of burst abdomen, a serious complication that can occur after abdominal surgery. Burst abdomen refers to the failure of the abdominal wound to heal, leading to dehiscence and potentially life-threatening consequences. This condition is often associated with increased intra-abdominal pressure, infection, and poor surgical technique.
**Why the Correct Answer is Right**
The first sign of burst abdomen is often a palpable bulge or protrusion of the intestine through the wound site. This occurs when the sutures or staples holding the wound together fail, leading to the evisceration of abdominal contents. The bulge is usually accompanied by a sudden increase in pain, fever, and a foul odor emanating from the wound. The abdominal wall defect allows for the migration of bacteria from the wound into the abdominal cavity, exacerbating the infection.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because a sudden increase in abdominal pain is a common symptom of many postoperative complications, but it is not the first sign of burst abdomen.
**Option B:** This option is incorrect because a wound infection can occur in the absence of burst abdomen, and it is not a specific indicator of this condition.
**Option C:** This option is incorrect because a sudden change in bowel habits is a nonspecific symptom that can be associated with many postoperative complications, but it is not a reliable indicator of burst abdomen.
**Clinical Pearl / High-Yield Fact**
The first sign of burst abdomen is often a palpable bulge or protrusion of the intestine through the wound site. Remember the mnemonic "BULGE" to recall the key features of burst abdomen: B - Bulge, U - Unstable, L - Localized wound infection, G - Groaning pain, E - Evisceration.
**Correct Answer: C. Intestinal bulge through the wound site.**