A 32-year-old man with 2 hours of abdominal cramps, guarding, and blood in stool; hypotension 90/60, pulse 112, respirations 28. What is the initial management?

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In a patient with signs of abdominal catastrophe who is hypotensive and tachycardic, the priority is to restore circulating volume to improve perfusion. A rapid crystalloid fluid bolus of about 20 mL/kg is the standard initial resuscitation step to support preload and raise blood pressure before further evaluation or definitive treatment. This approach buys time for assessment and decisions about imaging, surgery, or blood product administration.

Starting vasopressors too early in suspected hypovolemic shock can constrict the vessels and worsen organ perfusion when volume is still low, so they’re not the first move here. Administering anti-diarrheal would not address the ongoing bleeding or potential peritoneal irritation and could mask deterioration. An exploratory laparotomy is not the immediate initial step without stabilization and confirmation of the patient’s status; definitive surgery may be required later if indicated, but volume resuscitation comes first to stabilize the patient. After the bolus, reassess vital signs, urine output, and overall perfusion to guide further treatment.