our patient has two continuous infusions running. Bag # 1 is Lactated Ringers and the patient is receiving daily hydration of 1.2 liters. Bag # 2 (1000 ml 0.9% NaCl) contains the medication and is labeled as 40mg/30 ml. The patient is receiving 720 mg of medication every 12 hours. How many total ml is the patient receiving every hour?

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter9: Parenteral Medication Labels And Dosage Calculation
Section: Chapter Questions
Problem 7.8P
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  1. Your patient has two continuous infusions running. Bag # 1 is Lactated Ringers and the patient is receiving daily hydration of 1.2 liters. Bag # 2 (1000 ml 0.9% NaCl) contains the medication and is labeled as 40mg/30 ml. The patient is receiving 720 mg of medication every 12 hours. How many total ml is the patient receiving every hour? 

 

= 95 ml

How did they come up with this answer? 

Expert Solution
Step 1

Firstly we will calculate the 720 mg contains how much ml of fluid

for this, we would use the below formula

x=Desired dose x  quantity or form of dose present/Available dose

We have Desired dose=720 mg

quantity or form of dose present=30 ml

Available dose=40mg

substitute the values

x=720x30/40

x=540 ml

So here we can say that 540 ml of fluid administered in 12 hours.

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