Question

In: Chemistry

JL is a 59 year old male who is administered a drug via continuous IV infusion....

JL is a 59 year old male who is administered a drug via continuous IV infusion. The volume of distribution is 65 L and a half life of 10 hours. The drug concentration 31 hours after the infusion was started is reported to be 1.01 mg/L.

What is the rate of infusion? Note: Assume the infusion is ongoing. Please provide your answer in units of mg/hr.

_________

Solutions

Expert Solution

Assume the effective plasma drug concentration is the target drug concentration or C SS.

Rate of infusion (R) = C SS k Vd = (1.01 mg/l) (0.693/10hr) (65 l) = 4.549 mg/hr.


Related Solutions

A drug with a half-life of 15 hours is administered by continuous intravenous infusion. How long...
A drug with a half-life of 15 hours is administered by continuous intravenous infusion. How long will it take for the drug to reach 75% of its final steady-state level?
9. A provider prescribes esmolol 45mcg/kg/min. by continuous IV infusion. The patient weighs 59 kg. Available...
9. A provider prescribes esmolol 45mcg/kg/min. by continuous IV infusion. The patient weighs 59 kg. Available is 2,500 mg in 250 mL D5W. How many mL/hour should the IV pump be set in order for the patient to get the correct dosage? 10. A nurse is preparing to administer packed RBCs 280 mL to infuse over 4 hours. How many mL per hour should the IV pump be set to run? 11. You are to give haloperidol 1 mg tab...
A nurse is assessing a client who is receiving heparin via continuous IV. The client has...
A nurse is assessing a client who is receiving heparin via continuous IV. The client has an aPTT of 90 seconds. The nurse should monitor the client for which of the following changes in their vital signs? -Decreased temperature -Decreased respiratory rate -Increased pulse rate -Increased blood pressure
JT is a 20 year old female on a continuous infusion of an antibiotic. The total...
JT is a 20 year old female on a continuous infusion of an antibiotic. The total dose that will be given is 1500 mg over 24 hours. The volume of distribution is 69 L and the drug half life is 6.7 hours. What is the plasma drug concentration if a blood sample is taken 29 hours after the infusion began? Note: Please provide your answer in units of mg/L.
HC is a 55 year old female on a continuous infusion of an antibiotic. The total...
HC is a 55 year old female on a continuous infusion of an antibiotic. The total dose that will be given is 1500 mg over 16 hours. The volume of distribution is 51 L and the drug half life is 6.5 hours. What is the plasma drug concentration if a blood sample is taken 17 hours after the infusion began? Note: Please provide your answer in units of mg/L. ____
JL is a 77 yr old male who has just undergone abdominal surgery for an obstruction...
JL is a 77 yr old male who has just undergone abdominal surgery for an obstruction of the duodenum. The surgeon has ordered TPN for this patient and has asked Pharmacy to prepare it according to the “recipe” below: The final concentration of TPN is 4.25% amino acids and 25% dextrose in a total volume of 1000mls. The surgeon would like an additional 25mEq of Sodium per Liter of TPN. The pharmacy stocks NaCl 23.4% solution. Answer the following questions:...
A drug for IV infusion is supplied as a 4 mL vial with a concentration of...
A drug for IV infusion is supplied as a 4 mL vial with a concentration of 2.5 mg /mL. the contents of the vial are transferred into an infusion bag to make a final volume of 1000 mL. The infusion is to run for a total of 120 minutes with a flow rate of 30 mL /hour. How much drug will be delivered?
A drug for IV infusion is supplied as a 10 mL vial with a concentration of...
A drug for IV infusion is supplied as a 10 mL vial with a concentration of 10% w/v. 5 mL of this vial is transferred into an infusion bag to make a final volume of 250 mL. The infusion rate is to be 10 mL / min. How long will it take to deliver a dose of 100 mg of the drug?
J.M. is a 26-year-old man, who is known to be an IV drug user. His veins...
J.M. is a 26-year-old man, who is known to be an IV drug user. His veins are badly sclerosed because of years of abuse. He needs an HIV (human immunodeficiency virus) test, HBV (hepatitis B virus) test, and HCV (hepatitis C virus) antibody test. Dennis, the phlebotomist, is able to locate a vein in the hand on a second attempt using a butterfly needle. As Dennis is withdrawing the needle, the patient suddenly jerks his hand. Drops of blood spatter...
You are caring for a 59-year-old African American male who is a non-smoker and a non-drinker....
You are caring for a 59-year-old African American male who is a non-smoker and a non-drinker. The individual has a healthy weight for his height. On weekends, he coaches a youth baseball team in his community and enjoys eating hot dogs and nachos with the children after games. He has been monitoring his blood pressure at the community center and noted that the highest reading was 168/92 mm Hg. He is pleased with this number, as the results were "lower...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT