In Week 2, we will continue our pharmacology journey and apply the concepts to the cardiovascular system. Pharmacodynamics and pharmacokinetics are the two branches of pharmacology. Remember, pharmacokinetics describes what the body does to the drug through absorption, distribution, metabolism, and excretion (ADME), whereas pharmacodynamics describes what the drug does to the body.
When selecting drugs and determining dosages for patients, it is essential to consider individual patient factors that might impact the patient’s pharmacokinetic and pharmacodynamic processes. These patient factors include genetics, gender, ethnicity, age, behavior (ie diet, nutrition, smoking, alcohol, illicit drug abuse), and/or pathophysiological changes due to disease.
Assignment instruction
Review the case studies (attachment) and answer ALL questions. Use article that’s less than 5years.
• When recommending medications, write out a complete prescription for each medication. What order would you send to a pharmacy? Include drug, dose, route, frequency, special instructions, # dispensed (days supply), refills, etc. Also state if you would continue, discontinue or taper the patient’s current medications.
• Use clinical practice guidelines in developing your answers. Please review all Required Learning Resources. Use the Medscape app or website and EHS guidelines to complete the assignment.
• Include at least three references to support each scenario and cite them in APA format. Please include in-text citations.
· You do not need an introduction orconclusion paragraph.
SCENARIO 1
A 52-year-old man was recently discharged from the hospital following treatment for atrial fibrillation. He was discharged on Warfarin 5 mg po q day and Amiodarone 200 mg tid. His INR is 8.8. What interaction has occurred with these 2 medications? What changes in his medications would you make?
SCENARIO 2
A 44-year-old women is currently taking Glipizide and Phenytoin. She has a new prescription for Ceftriaxone. All three medications are known to be highly protein bound. What effect does protein binding have on drug availability? How would you manage this patient’s medication?
SCENARIO 3
Name two drugs that are highly affected by the first pass effect. As a prescriber, what actions would you take in prescribing these drugs to counter the first pass effect?
SCENARIO 4
James is a 49-year-old male that was prescribed atenolol for his high blood pressure. James states that he only occasionally takes the medication because he does not like the side effects. What information would you provide to the patient at his visit? How would you manage his medication? What alternative might you prescribe (include a complete medication order)?
