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Diazepam 2 mg orally every 8 hours is prescribed for muscle spasms. The drug is available as 5 mg/mL. How much should the nurse administer at each dose?

Dantrolene 250 mg by rapid infusion is prescribed. The recommended dose to treat malignant hyperthermia is usually 10 mg/kg. The patient weighs 185 lb. Is this a safe dose?

Answer :

Final answer:

The nurse should administer 0.4 mL of Diazepam at each dose. The prescribed dose of Dantrolene (250mg) is safe for the patient weighing 185lb.

Explanation:

To calculate the dose of Diazepam, we need to convert the prescribed dose of 2mg to mL. Since Diazepam is available as 5mg/mL, we can use the following formula:

Dose (mL) = Prescribed dose (mg) / Concentration (mg/mL)

Substituting the values, we get:

Dose (mL) = 2mg / 5mg/mL = 0.4 mL

Therefore, the nurse should administer 0.4 mL of Diazepam at each dose.

To determine the safety of the prescribed Dantrolene dose, we need to calculate the recommended dose based on the patient's weight. The patient weighs 185lb, which is approximately 83.91kg.

The recommended dose of Dantrolene for treating malignant hyperthermia is usually 10mg per gram of body weight. Therefore, the recommended dose for a patient weighing 83.91kg would be:

Recommended dose = 10mg/g * 83.91g = 839.1mg

The prescribed dose of Dantrolene is 250mg, which is lower than the recommended dose of 839.1mg. Therefore, the prescribed dose is safe.

Learn more about calculating the dose of diazepam and determining the safety of dantrolene dose here:

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