Case 5 - Question 4a:

How would you treat this patient? What dose of the drug in mEq would you use?

- Dosage Calculation:
- Medication dosage: 3 mEq per kg of body weight.
- Weight conversion: 1 kg = 2.2 lbs or 1 lb = 0.453 kg.
- Patient's weight: 145 lbs.

Case 5 - Question 4b:

This medication needs to be administered over a 6-hour period. What would the dose be per hour?

- How do you calculate this?

The patient's dose in mEq is calculated by first converting their weight to kilograms, then applying the dosage calculation of 3 mEq per kg of body weight. This yields a total dose of approximately 197.1 mEq. This dose is then divided over the 6-hour period, resulting in a rate of about 33 mEq per hour.

Explanation:

The dosage of the medication can be calculated using the patient's weight and the provided dosage calculation. First, the patient's weight needs to be converted from pounds to kilograms. According to the weight conversion, 1 lb = 0.453 kg, so to find the patient's weight in kilograms, multiply 145 lbs by 0.453 kg/lb. This gives approximately 65.7 kg. The medication dosage is 3 mEq per kg of body weight, so multiply 65.7 kg by 3 mEq/kg to get the total dose, which is approximately 197.1 mEq. This total dose should be administered over a 6-hour period.

To find the dose per hour, divide the total dose by the number of hours. Therefore, 197.1 mEq divided by 6 hours gives approximately 32.85 mEq per hour. So, the patient should receive nearly 33 mEq of the medication per hour over a 6 hour period.

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