An elderly client with severe burns over more than half of the body has an indwelling catheter. When evaluating the client's intake and output, which of the following should be taken into consideration?
1. The amount of urine output will be greatest in the first 24 hours after the burn injury.
2. The amount of urine will be reduced during the first 8 hours of the burn injury and will then increase as diuresis begins.
3. The amount of urine will be reduced in the first 24–48 hours and will then increase.
4. The amount of urine will be elevated due to the amount of intravenous fluids administered during the initial phases of treatment.
3. The amount of urine will be reduced in the first 24 to 48 hours and will then increase.
Rationale:
The client will have an initial reduction in urinary output. Fluid is reduced in the initial phases as the body manages the insult caused by the injury and fluids are drawn into the interstitial spaces. After the shock period passes, the client will enter a period of diuresis. Diuresis begins between 24 and 36 hours after the burn injury.
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