Math  /  Numbers & Operations

QuestionOrder: Furosemide 40 mg IV push Supply:
How many mLs will the nurse administer? \qquad mLs Drug Reference: Furosemide is safe to administer over 1-2 minutes. If you are administering over 1 minute, how many mLs will you administer per 15 seconds? \qquad mLs/15 seconds If you are administering over 2 minutes, how many mLs will you administer per 15 seconds? \qquad mLs/15 seconds

Studdy Solution

STEP 1

What is this asking? We need to figure out how many milliliters of furosemide to give a patient, and then how fast to push it over 15-second intervals for both 1-minute and 2-minute administrations. Watch out! Don't mix up the total time with the 15-second intervals!

STEP 2

1. Calculate Total Volume
2. Calculate Rate for 1-Minute Administration
3. Calculate Rate for 2-Minute Administration

STEP 3

Alright, let's **start** by figuring out how many milliliters of furosemide we need in total.
The doctor ordered 40 mg40 \text{ mg}, and our vial has 40 mg40 \text{ mg} per 4 mL4 \text{ mL}.

STEP 4

This is perfect!
We can set up a proportion: 40 mg4 mL=40 mgx mL\frac{40 \text{ mg}}{4 \text{ mL}} = \frac{40 \text{ mg}}{x \text{ mL}}.
We want to find xx, the number of milliliters we need.

STEP 5

Since the numerators are the same, the denominators must also be the same!
So, x=4 mLx = \textbf{4 mL}.
That means we need a total of **4 mL** of furosemide.

STEP 6

Now, let's **determine** how fast to push the medication over 1 minute.
Remember, 1 minute is equal to 1 min60 sec1 min=60 sec1 \text{ min} \cdot \frac{60 \text{ sec}}{1 \text{ min}} = 60 \text{ sec}.

STEP 7

We're pushing 4 mL4 \text{ mL} over 60 sec60 \text{ sec}.
To find the rate per 15 seconds, we can set up another proportion: 4 mL60 sec=y mL15 sec\frac{4 \text{ mL}}{60 \text{ sec}} = \frac{y \text{ mL}}{15 \text{ sec}}.

STEP 8

To solve for yy, we can multiply both sides by 15: y=4 mL60 sec15 sec=41560 mL=6060 mL=1 mLy = \frac{4 \text{ mL}}{60 \text{ sec}} \cdot 15 \text{ sec} = \frac{4 \cdot 15}{60} \text{ mL} = \frac{60}{60} \text{ mL} = \textbf{1 mL}.
So, we need to push 1 mL\textbf{1 mL} every 15 seconds.

STEP 9

Finally, let's **figure out** the rate for a 2-minute administration. 2 minutes2 \text{ minutes} is equal to 2 min60 sec1 min=120 sec2 \text{ min} \cdot \frac{60 \text{ sec}}{1 \text{ min}} = 120 \text{ sec}.

STEP 10

We're pushing the same 4 mL4 \text{ mL}, but this time over 120 sec120 \text{ sec}.
Our proportion is 4 mL120 sec=z mL15 sec\frac{4 \text{ mL}}{120 \text{ sec}} = \frac{z \text{ mL}}{15 \text{ sec}}.

STEP 11

Multiply both sides by 15 to solve for zz: z=4 mL120 sec15 sec=415120 mL=60120 mL=0.5 mLz = \frac{4 \text{ mL}}{120 \text{ sec}} \cdot 15 \text{ sec} = \frac{4 \cdot 15}{120} \text{ mL} = \frac{60}{120} \text{ mL} = \textbf{0.5 mL}.
So, we push 0.5 mL\textbf{0.5 mL} every 15 seconds.

STEP 12

We need to administer **4 mL** of furosemide.
For a 1-minute push, administer **1 mL** every 15 seconds.
For a 2-minute push, administer **0.5 mL** every 15 seconds.

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