A patient is ordered 50 milligrams of Aminophylline intravenously. 250 milligrams in 10 milliliters of liquid for IV Injection is available. How many milliliters will you prepare?


To find out how many milliliters of the solution to prepare, we can use a proportion based on the concentration of the available solution.

### Given information:
- Available solution: 250 mg of Aminophylline in 10 mL
- Ordered dose: 50 mg of Aminophylline

### Calculation:
Set up the proportion to find the volume (\( x \)) that contains 50 mg:

\[
\frac{250 \text{ mg}}{10 \text{ mL}} = \frac{50 \text{ mg}}{x \text{ mL}}
\]

Cross-multiplying gives:

\[
250x = 50 \times 10
\]
\[
250x = 500
\]
\[
x = \frac{500}{250}
\]
\[
x = 2 \text{ mL}
\]

### Answer:
You will need to prepare **2 mL** of the solution to administer the 50 mg dose.

Would you like more details or have any questions?

Here are 5 related questions:
1. How would the calculation change if the ordered dose was 75 mg instead of 50 mg?
2. What if the available concentration was 100 mg in 5 mL?
3. How would you calculate the dose if the patient’s weight was a factor in determining the required amount of Aminophylline?
4. How would you adjust if the patient required the dose to be administered over a longer period (e.g., over 30 minutes)?
5. If you were only given a solution concentration in mg/mL, how would you set up the calculation?

**Tip:** Always double-check the concentration units when calculating dosages to avoid medication errors.

A patient is ordered 50 milligrams of Aminophylline intravenously. 250 milligrams in 10 milliliters of liquid for IV Injection is available. How many milliliters will you prepare?

Learn how to calculate the required volume of Aminophylline IV injection for a 50 mg dose. This problem involves proportions, using the concentration of 250 mg in 10 mL to determine that 2 mL is needed for the ordered dose. Ideal for students in Grades 7-9 studying basic dosage calculations.

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