usc nur231 drug therapy describe why tommy has ponv

Question:
Supplementary assessment
The goal of this task is to integrate and apply knowledge of pathophysiology and safe administration of medication to a patient scenario. This will also incorporate your creative and critical thinking in the application to the patient scenario. You will consider the professional, ethical and legal codes, and practice standards relevant to decision making and safe medication practice.
Task: Case Scenario
Tommy is a 73-year-old retired man living in coastal south-east Queensland. He is in the surgical unit of the local hospital. He is recovering from an elective amputation of his left great toe. Tommy has had Type II diabetes for 20 years. He takes oral hypoglycaemic medications from the drugs classes of Biguanides and Sulphonylureas. His most recent HbBA1c was recorded as 7.5% (58mmol/mol).
Tommy had his surgery yesterday and he is recovering as anticipated. However, he has post-operative nausea and vomiting (PONV) that is impacting his ability to tolerate diet and fluids. He was prescribed an antiemetic.
Tommy is experiencing moderate pain. He has commenced taking his prescribed oral opioid medication PRN 6 hourly.
Lastly, Tommy was prescribed a prophylactic antibiotic to avoid a post-operative infection.
Q1. Describe why Tommy has PONV, by describing the pathophysiology of PONV. What is the most appropriate antiemetic for Tommy and how does it work? What other medical and nursing interventions could be implemented to manage this undesirable condition?
Q2. Describe the relationship between Tommys diabetes and the need for amputation surgery. What are the actions (pharmacodynamics) of the medications that Tommy takes for his diabetes? What is the relevance of the HbA1c result and what does it mean about the management of Tommys diabetes?
Q3. Explain the reasoning behind the frequency of the prescription for opioid medication and advise which medication would be best suited to Tommys circumstances.
Q4. Which antibiotic would be best for Tommy to avoid a post-operative infection from this amputation surgery? Provide the details of the medication and the reason why it is best in this situation. Describe the professional codes and standards that influence the actions of the Registered Nurse in the pursuit of antimicrobial stewardship. Relate this discussion to the interventions appropriate to use with Tommy.

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