A client presents with a partial-thickness burn covering 20% of their total body surface area (TBSA) after an industrial accident. What is the most appropriate initial action by the nurse to manage fluid resuscitation for this client?

Major burn injuries involving a significant total body surface area (TBSA) trigger a profound inflammatory response that leads to increased capillary permeability and massive fluid shifts from the intravascular space into the interstitial space. This results in hypovolemic shock if not promptly managed. Fluid resuscitation is therefore a critical early intervention to maintain tissue perfusion and organ function. Standardized formulas guide initial fluid replacement in burn management. Rationale: A. Starting IV vancomycin immediately to prevent infection is not the priority in the acute phase of burn management. Although infection prevention is important in burn care, fluid resuscitation takes precedence in the initial management to prevent hypovolemic shock. Antibiotics are not routinely given prophylactically unless there is evidence of infection. B. Administering 4 mL of lactated Ringer’s solution IV per kg of body weight per TBSA is correct because it follows the Parkland formula for burn resuscitation. Parkland formula guides initial fluid replacement to restore circulating volume and maintain organ perfusion. Lactated Ringer’s is preferred because it closely resembles extracellular fluid and helps correct metabolic acidosis associated with burns. C. Providing oral fluids until the client is stable is inappropriate for a client with a 20% TBSA burn. Oral intake is insufficient to meet the rapid and large fluid losses caused by capillary leakage in moderate to severe burns. Intravenous fluid resuscitation is required to prevent shock and maintain hemodynamic stability. D. Waiting 24 hours before starting fluid resuscitation is dangerous and can result in severe hypovolemic shock and organ failure. Fluid resuscitation must begin immediately after burn assessment to counteract fluid shifts that occur within the first several hours. Delaying treatment significantly increases mortality risk in major burn injuries.