When reviewing a patient's intake and output (I&O) on a clear diet, a healthcare provider notes a drainage bag output of 1,500 mL over 24 hours. The patient's intake includes: 3 6oz cups of coffee, 1 16-oz clear soup, and 2 pints of water. What is the fluid deficit in milliliters?

Rationale

Fluid deficit is 480 mL.

To determine the fluid deficit, we must first calculate the total intake and then subtract the output from it. The total intake amounts to 2,520 mL, which, when compared to the output of 1,500 mL, results in a fluid deficit of 480 mL.

A (480ml) CORRECT

The total fluid intake is calculated as follows: 3 cups of coffee (6 oz each) equals 540 mL, 1 cup of clear soup is 480 mL, and 2 pints of water equals 960 mL. Adding these amounts gives 540 + 480 + 960 = 1980 mL. The fluid deficit is then 1980 mL (intake) - 1500 mL (output) = 480 mL, confirming this choice is correct.

B (840ml) YOUR ANSWER

This option miscalculates the fluid deficit. If we assume an intake of 2,340 mL and subtract the output of 1,500 mL, the resulting deficit would be 840 mL. However, the actual intake is 2,520 mL, making this calculation incorrect.

C (240ml) YOUR ANSWER

Choosing 240 mL implies a misunderstanding of the intake-output relationship. If the intake were 1,740 mL, subtracting the output of 1,500 mL would yield a deficit of 240 mL. However, the actual intake is significantly higher, thus this choice does not reflect the correct calculations.

D (460ml) YOUR ANSWER

This choice suggests a fluid deficit of 460 mL, which would indicate an intake of 1,960 mL. Given the actual calculated intake of 2,520 mL, this option underestimates the deficit and is therefore incorrect.

Conclusion

The fluid deficit calculation hinges on accurately assessing both intake and output. With a total intake of 2,520 mL contrasted against an output of 1,500 mL, the correct fluid deficit is indeed 480 mL. Understanding this principle is crucial for effective patient management and ensuring appropriate fluid balance.

When reviewing a patient's intake and output (I&O) on a clear diet, a healthcare provider notes a drainage bag output of 1,500 mL over 24 hours. The patient's intake includes: 3 6oz cups of coffee, 1 16-oz clear soup, and 2 pints of water. What is the fluid deficit in milliliters?

Fluid deficit is 480 mL.

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