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11 Cards in this Set
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Example critical care dosage being administered: A patient is receiving dopamine at 12 ml/hr. The solution hanging indicates Dopamine 400 mg in 250 ml D5W. The client weighs 133 lbs. What is the dosage (mcg/kg/min) the client is receiving? (round to tenths) |
Rate (ml/hr) x Concentration (unit/ml) / Time (60 min/hr) x weight in kg
12 ml/hr x (400,000 mcg/250 ml) / 60 min/hr x 60.5 kg = 5.28 = 5.3 mcg/kg/min |
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Example mg/hr: A patient is to receive Cardizem IV at 5mg/hr. The solution is supplied as 250 mg in 250 ml D5W. How many ml/hr should the patient receive? (round to tenths) |
DD/DH x V = amount to give
(5 mg/hr / 250 mg) x 250 ml = 5 ml/hr |
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Example mcg/min: A patient is ordered Nitroglycerine IV at 10 mcg/min. The drug is supplied Nitroglycerine 50 mg in 250 ml D5W. At what rate will you set the pump? (round to nearest whole number) |
DD/DH x V = amount to give
(10 mcg /min / 50,000 mcg) x 60 min/hr x 250 ml = 3 ml/hr |
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Example weight-based ml/hr: A patient is to receive an aminophylline drip at 0.75 mg/kg/hr. The patient weights 150 pounds. The aminophylline is supplied as 5 grams of aminophylline in 500 ml. How many ml/hr should the patient receive? (round to tenths) |
DD/DH x V= amount to give
(0.75 mg / 5000 mg) x 68.2 kg x 1hr x 500 ml = 5.11 = 5.1 ml/hr |
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A procainamide drip to be started at 2 mg/min. The medication is mixed in the following concentration: 1 Gram procainamide in 200 ml D5W. The pump you will be using can only be set in whole ml/hr. At what rate will you set the pump?(whole number) |
24 ml/hr |
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Dopamine infusing at 5 ml/hr. Hanging is dopamine, 400 mg in 250 ml D5W. The patient weighs 64 Kg. How many mcg/kg/min is this patient receiving? |
2.1 mcg/Kg/min (note answer is 2.08333333 if you did not round before you completed the problem. The correct answer is therefore 2.1) |
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Your patient is ordered a medication 0.5 mcg/kg/min. Pharmacy sends you a bag labeled: 10 mg in 150 ml D5W.” The patient weighs 57 Kg. At what rate will you set the pump in ml/hr? (pump can be set in tenths) |
25.7 ml/hr (25.65 rounded to 25.7) |
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The patient is ordered: dobutamine 6 mcg/kg/min. The patient weighs 172 pounds. The pharmacy sends a 250 ml bag of D5W with 500 mg of dobutamine added. At what rate will you set the IV pump? (round to the nearest 10th) |
14.1 ml/hr (14.07 rounded to 14.1, note Kg are rounded to nearest tenths to do the calculation, use 78.2 Kg.; no other numbers are to rounded until the calculation is complete) |
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Your patient is ordered aminophylline 60 mcg/kg/hr. The pharmacy sends a 500 ml bag of NS containing 600 mg of aminophylline. The patient weighs 158 pounds. The pump you will be using can only be set in whole ml/hr. At what rate will you set the pump? |
4 mL/hr |
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Your patient is ordered to receive Esmolol, 100 mcg/kg/min. This drug is supplied as 2.5 grams/250 ml NS. The patient weighs 58 kilograms. At how many ml/hr will you set the pump? (round to the nearest 10th) |
34.8 ml/hr |
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A 25-year-old female patient is recovering from a lumbar spinal cord injury. While on bedrest she develops a DVT and is placed on a heparin protocol. She weighs 154 pounds. The patient is currently receiving 1100 units of heparin/hr. Her aPTT comes back at 39 seconds; per protocol the patient must be bolused with 40 units of heparin/kg (units rounded to the nearest thousands), and the rate increased by 3 units/kg/hr. You have available: Heparin 25,000 units in 250 ml D5W Vials labeled: Heparin 10,000 units/ml.
a) How many ml will you administer for the bolus? (round to tenths)
b) At what rate will you set the IV pump? (whole number) |
a) 0.3 ml
b) 13 ml/hr |
