Pharmacokinetics and Pharmacodynamics
Walden University Pharmacokinetics and Pharmacodynamics-Step-By-Step Guide
This guide will demonstrate how to complete the Walden University Pharmacokinetics and Pharmacodynamics assignment based on general principles of academic writing. Here, we will show you the A, B, Cs of completing an academic paper, irrespective of the instructions. After guiding you through what to do, the guide will leave one or two sample essays at the end to highlight the various sections discussed below.
How to Research and Prepare for Pharmacokinetics and Pharmacodynamics
Whether one passes or fails an academic assignment such as the Walden University Pharmacokinetics and Pharmacodynamics depends on the preparation done beforehand. The first thing to do once you receive an assignment is to quickly skim through the requirements. Once that is done, start going through the instructions one by one to clearly understand what the instructor wants. The most important thing here is to understand the required format—whether it is APA, MLA, Chicago, etc.
After understanding the requirements of the paper, the next phase is to gather relevant materials. The first place to start the research process is the weekly resources. Go through the resources provided in the instructions to determine which ones fit the assignment. After reviewing the provided resources, use the university library to search for additional resources. After gathering sufficient and necessary resources, you are now ready to start drafting your paper.
How to Write the Introduction for Pharmacokinetics and Pharmacodynamics
The introduction for the Walden University Pharmacokinetics and Pharmacodynamics is where you tell the instructor what your paper will encompass. In three to four statements, highlight the important points that will form the basis of your paper. Here, you can include statistics to show the importance of the topic you will be discussing. At the end of the introduction, write a clear purpose statement outlining what exactly will be contained in the paper. This statement will start with “The purpose of this paper…” and then proceed to outline the various sections of the instructions.
How to Write the Body for Pharmacokinetics and Pharmacodynamics
After the introduction, move into the main part of the Pharmacokinetics and Pharmacodynamics assignment, which is the body. Given that the paper you will be writing is not experimental, the way you organize the headings and subheadings of your paper is critically important. In some cases, you might have to use more subheadings to properly organize the assignment. The organization will depend on the rubric provided. Carefully examine the rubric, as it will contain all the detailed requirements of the assignment. Sometimes, the rubric will have information that the normal instructions lack.
Another important factor to consider at this point is how to do citations. In-text citations are fundamental as they support the arguments and points you make in the paper. At this point, the resources gathered at the beginning will come in handy. Integrating the ideas of the authors with your own will ensure that you produce a comprehensive paper. Also, follow the given citation format. In most cases, APA 7 is the preferred format for nursing assignments.
How to Write the Conclusion for Pharmacokinetics and Pharmacodynamics
After completing the main sections, write the conclusion of your paper. The conclusion is a summary of the main points you made in your paper. However, you need to rewrite the points and not simply copy and paste them. By restating the points from each subheading, you will provide a nuanced overview of the assignment to the reader.
How to Format the References List for Pharmacokinetics and Pharmacodynamics
The very last part of your paper involves listing the sources used in your paper. These sources should be listed in alphabetical order and double-spaced. Additionally, use a hanging indent for each source that appears in this list. Lastly, only the sources cited within the body of the paper should appear here.
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By Day 3 of Week 1
Post a description of the patient case from your experiences, observations, and/or clinical practice from the last 5 years. Then, describe factors that might have influenced pharmacokinetic and pharmacodynamic processes of the patient you identified. Finally, explain details of the personalized plan of care that you would develop based on influencing factors and patient history in your case. Be specific and provide examples.
By Day 6 of Week 1
Read a selection of your colleagues’ responses and respond to at least two of your colleagues on two different days by suggesting additional patient factors that might have interfered with the pharmacokinetic and pharmacodynamic processes of the patients they described. In addition, suggest how the personalized plan of care might change if the age of the patient were different and/or if the patient had a comorbid condition, such as renal failure, heart failure, or liver failure.
Note: For this Discussion, you are required to complete your initial post before you will be able to view and respond to your colleagues’ postings. Begin by clicking on the Reply button to complete your initial post. Remember, once you click on Post Reply, you cannot delete or edit your own posts and you cannot post anonymously. Please check your post carefully before clicking on Post Reply!
I had a recent clinical experience where a patient of mine was sensitive to medications. She had recently had high blood pressure in the 200’s and acute kidney failure. She was given IV hydralazine and labetalol in the emergency room. She had a reaction to the medication and her heart rate dropped into the 20’s and she became unresponsive. The emergency room staff performed chest compressions and administered to the patient, and she was transferred to the ICU.
A case study writes about adverse effects of hydralazine and notes “Hydralazine was chosen for its antihypertensive effect and 2 mg were administered intravenously (IV). Within a brief period of time (30-45 sec) the patient developed a profound bradycardia from 52-10 beats/min occasioned by premature ventricular contractions (PVCs)” (Wehner & Romanauskas, 1981). A different case study notes a similar adverse effect of labetalol, “She was thought to have an anaphylactoid reaction and was treated intravenously with fluids, diphenhydramine (50 mg), and methylprednisolone (250 mg), without initial improvement. While urinating in the bedpan, she developed bradycardia and hypotension, with a pulse of 30/min and a blood pressure of 60/40. Trendelenburg’s position and 2 L of normal saline were needed to restore her blood pressure to normal, although her bradycardia resolved spontaneously” (Ferree, 1986).
This patient had orders to receive hydralazine IV to maintain a blood pressure of 140/80 so that she could have a kidney biopsy. “Most patients who undergo renal biopsy have hypertension, but hypertension is almost never considered a single or leading indication for biopsy” (Stompór & Perkowska-Ptasińska, 2020).
I diluted the hydralazine and pushed it over 10 minutes minimum and monitored the patient closely. I checked her blood pressure 15-30 minutes after administration and monitored her heart rate. She did not have any adverse reaction to the hydralazine when I administered it. I instructed the patient to use her call light button if she had any strange reactions or felt odd. I kept the physician updated on the patient’s blood pressure and heart rate throughout the night. The patient was able to transfer to a medical-surgical floor for a lower level of care.
References
FERREE, C. E. (1986). Apparent Anaphylaxis from Labetalol. Annals of Internal Medicine, 104(5), 729–730. https://doi-org.ezp.waldenulibrary.org/10.1059/0003-4819-104-5-729_2
Stompór, T., & Perkowska-Ptasińska, A. (2020). Hypertensive kidney disease: a true epidemic or rare disease? Polish Archives of Internal Medicine, 130(2), 130–139. https://doi-org.ezp.waldenulibrary.org/10.20452/pamw.15150
Wehner RJ, & Romanauskas VS. (1981). An adverse reaction with hydralazine: a case study. AANA Journal, 49(3), 274–276.
When prescribing medication, it is crucial to consider several individual patient factors that might affect the pharmacokinetic and pharmacodynamic process (Reeve et al., 2017). For instance, while working with the geriatric population, I encountered an 85-year-old female patient with a history of atrial fibrillation and serum creatine of 1.8mg/dl. The patient was prescribed digoxin to help manage the rapid heart rate. A maintenance dose of 125mcg tabs once a day was decided based on the patient’s pharmacodynamic and pharmacokinetic processes.
Advanced age is characterized by reduced functionality of several regular body processes responsible for functional integration between different cells and organs. The 85-year-old patient displayed several pharmacokinetic changes, with the main ones being a reduction in hepatic and renal clearance and decreased distribution volume of water-soluble drugs leading to higher serum levels (Drenth‐van Maanen et al., 2019). Consequently, some of the pharmacokinetic changes associated with the patient’s advanced age include increased sensitivity to drugs like digoxin.
Serum creatine of 1.8mg/dl is quite high indicating that the patient’s kidneys are not functioning properly. However, since approximately 67% of digoxin undergoes renal clearance, it was necessary to calculate the standard renal clearance of the drug, which is 6 liters per hour per 70 kg body weight, with a creatinine clearance of 100 mL/min (Holford, 2017). The patient’s creatinine clearance is however reduced hence the need to administer a lower dose of the drug. A once-daily dosing frequency is thus recommended with a bioavailability of 0.7 that requires 127 mcg/day as the daily maintenance dose. The dose should however be monitored closely for further changes.
References
Drenth‐van Maanen, A. C., Wilting, I., & Jansen, P. A. F. (2019). Prescribing medicines to older people—How to consider the impact of aging on human organ and body functions. British Journal of Clinical Pharmacology, 86(10), 1921–1930. https://doi.org/10.1111/bcp.14094
Holford N.G. (2017). Pharmacokinetics & pharmacodynamics: rational dosing & the time course of drug action. Katzung B.G.(Ed.), Basic & Clinical Pharmacology, 14e. McGraw Hill. https://accessmedicine.mhmedical.com/content.aspx?bookid=2249§ionid=175215748
Reeve, E., Trenaman, S. C., Rockwood, K., & Hilmer, S. N. (2017). Pharmacokinetic and pharmacodynamic alterations in older people with dementia. Expert Opinion on Drug Metabolism & Toxicology, 13(6), 651–668. https://doi.org/10.1080/17425255.2017.1325873
I apologize, 82 year old Caucasian female with rotator cuff tear due to recent fall. Patient denies significant medical history, but states she can take one extra strength tylenol for pain and experience relief. No medications taken the morning of surgery. Pt is 5’2 and weighs 107 lbs. All vitals within normal limits prior to procedure. BP 118/76, pulse 64, oxygen 97% on room air. Pt receives 1mg versed and 50 mcg fentanyl prior to nerve block. 2L nasal cannula in place at time of administration, pulse oximeter in place. Pt oxygen saturation drops to 87%, pulse 52, BP 98/56, does not respond to verbal ques. Anesthesiologist continues procedure, O2 increased to 3L, O2 rises to 90%. Several minutes pass patient mutters response after sternal rub and verbal stimulation. As minutes pass, patient awakens some, but is confused. Nurse instructs patient to take slow, deep breaths in through the nose and out through the mouth. Nurse stays with patient to monitor until O2 is titrated back to 2L, patient oxygen saturation remains stable, and patient is more oriented. Anesthesiologist and nurse agree to skip versed in future scenarios similar to this case. This was not too bad, but could’ve been easily worsened.
| Excellent | Good | Fair | Poor | ||
| Main Posting | 45 (45%) – 50 (50%)
Answers all parts of the discussion question(s) expectations with reflective critical analysis and synthesis of knowledge gained from the course readings for the module and current credible sources.
Supported by at least three current, credible sources.
Written clearly and concisely with no grammatical or spelling errors and fully adheres to current APA manual writing rules and style. |
40 (40%) – 44 (44%)
Responds to the discussion question(s) and is reflective with critical analysis and synthesis of knowledge gained from the course readings for the module.
At least 75% of post has exceptional depth and breadth.
Supported by at least three credible sources.
Written clearly and concisely with one or no grammatical or spelling errors and fully adheres to current APA manual writing rules and style. |
35 (35%) – 39 (39%)
Responds to some of the discussion question(s).
One or two criteria are not addressed or are superficially addressed.
Is somewhat lacking reflection and critical analysis and synthesis.
Somewhat represents knowledge gained from the course readings for the module.
Post is cited with two credible sources.
Written somewhat concisely; may contain more than two spelling or grammatical errors.
Contains some APA formatting errors. |
0 (0%) – 34 (34%)
Does not respond to the discussion question(s) adequately.
Lacks depth or superficially addresses criteria.
Lacks reflection and critical analysis and synthesis.
Does not represent knowledge gained from the course readings for the module.
Contains only one or no credible sources.
Not written clearly or concisely.
Contains more than two spelling or grammatical errors.
Does not adhere to current APA manual writing rules and style. |
|
| Main Post: Timeliness | 10 (10%) – 10 (10%)
Posts main post by day 3. |
0 (0%) – 0 (0%) | 0 (0%) – 0 (0%) | 0 (0%) – 0 (0%)
Does not post by day 3. |
|
| First Response | 17 (17%) – 18 (18%)
Response exhibits synthesis, critical thinking, and application to practice settings.
Responds fully to questions posed by faculty.
Provides clear, concise opinions and ideas that are supported by at least two scholarly sources.
Demonstrates synthesis and understanding of learning objectives.
Communication is professional and respectful to colleagues.
Responses to faculty questions are fully answered, if posed.
Response is effectively written in standard, edited English. |
15 (15%) – 16 (16%)
Response exhibits critical thinking and application to practice settings.
Communication is professional and respectful to colleagues.
Responses to faculty questions are answered, if posed.
Provides clear, concise opinions and ideas that are supported by two or more credible sources.
Response is effectively written in standard, edited English. |
13 (13%) – 14 (14%)
Response is on topic and may have some depth.
Responses posted in the discussion may lack effective professional communication.
Responses to faculty questions are somewhat answered, if posed.
Response may lack clear, concise opinions and ideas, and a few or no credible sources are cited. |
0 (0%) – 12 (12%)
Response may not be on topic and lacks depth.
Responses posted in the discussion lack effective professional communication.
Responses to faculty questions are missing.
No credible sources are cited. |
|
| Second Response | 16 (16%) – 17 (17%)
Response exhibits synthesis, critical thinking, and application to practice settings.
Responds fully to questions posed by faculty.
Provides clear, concise opinions and ideas that are supported by at least two scholarly sources.
Demonstrates synthesis and understanding of learning objectives.
Communication is professional and respectful to colleagues.
Responses to faculty questions are fully answered, if posed.
Response is effectively written in standard, edited English. |
14 (14%) – 15 (15%)
Response exhibits critical thinking and application to practice settings.
Communication is professional and respectful to colleagues.
Responses to faculty questions are answered, if posed.
Provides clear, concise opinions and ideas that are supported by two or more credible sources.
Response is effectively written in standard, edited English. |
12 (12%) – 13 (13%)
Response is on topic and may have some depth.
Responses posted in the discussion may lack effective professional communication.
Responses to faculty questions are somewhat answered, if posed.
Response may lack clear, concise opinions and ideas, and a few or no credible sources are cited. |
0 (0%) – 11 (11%)
Response may not be on topic and lacks depth.
Responses posted in the discussion lack effective professional communication.
Responses to faculty questions are missing.
No credible sources are cited. |
|
| Participation | 5 (5%) – 5 (5%)
Meets requirements for participation by posting on three different days. |
0 (0%) – 0 (0%) | 0 (0%) – 0 (0%) | 0 (0%) – 0 (0%)
Does not meet requirements for participation by posting on 3 different days. |
|
| Total Points: 100 | |||||
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Lopes Write Policy
For assignments that need to be submitted to Lopes Write, please be sure you have received your report and Similarity Index (SI) percentage BEFORE you do a “final submit” to me.
Once you have received your report, please review it. This report will show you grammatical, punctuation, and spelling errors that can easily be fixed. Take the extra few minutes to review instead of getting counted off for these mistakes.
Review your similarities. Did you forget to cite something? Did you not paraphrase well enough? Is your paper made up of someone else’s thoughts more than your own?
Visit the Writing Center in the Student Success Center, under the Resources tab in LoudCloud for tips on improving your paper and SI score.
Late Policy
The university’s policy on late assignments is 10% penalty PER DAY LATE. This also applies to late DQ replies.
Please communicate with me if you anticipate having to submit an assignment late. I am happy to be flexible, with advance notice. We may be able to work out an extension based on extenuating circumstances.
If you do not communicate with me before submitting an assignment late, the GCU late policy will be in effect.
I do not accept assignments that are two or more weeks late unless we have worked out an extension.
As per policy, no assignments are accepted after the last day of class. Any assignment submitted after midnight on the last day of class will not be accepted for grading.
Communication
Communication is so very important. There are multiple ways to communicate with me:
Questions to Instructor Forum: This is a great place to ask course content or assignment questions. If you have a question, there is a good chance one of your peers does as well. This is a public forum for the class.
Individual Forum: This is a private forum to ask me questions or send me messages. This will be checked at least once every 24 hours.
Important information for writing discussion questions and participation
Welcome to class
Hello class and welcome to the class and I will be your instructor for this course. This is a -week course and requires a lot of time commitment, organization, and a high level of dedication. Please use the class syllabus to guide you through all the assignments required for the course. I have also attached the classroom policies to this announcement to know your expectations for this course. Please review this document carefully and ask me any questions if you do. You could email me at any time or send me a message via the “message” icon in halo if you need to contact me. I check my email regularly, so you should get a response within 24 hours. If you have not heard from me within 24 hours and need to contact me urgently, please send a follow up text to
I strongly encourage that you do not wait until the very last minute to complete your assignments. Your assignments in weeks 4 and 5 require early planning as you would need to present a teaching plan and interview a community health provider. I advise you look at the requirements for these assignments at the beginning of the course and plan accordingly. I have posted the YouTube link that explains all the class assignments in detail. It is required that you watch this 32-minute video as the assignments from week 3 through 5 require that you follow the instructions to the letter to succeed. Failure to complete these assignments according to instructions might lead to a zero. After watching the video, please schedule a one-on-one with me to discuss your topic for your project by the second week of class. Use this link to schedule a 15-minute session. Please, call me at the time of your appointment on my number. Please note that I will NOT call you.
Please, be advised I do NOT accept any assignments by email. If you are having technical issues with uploading an assignment, contact the technical department and inform me of the issue. If you have any issues that would prevent you from getting your assignments to me by the deadline, please inform me to request a possible extension. Note that working fulltime or overtime is no excuse for late assignments. There is a 5%-point deduction for every day your assignment is late. This only applies to approved extensions. Late assignments will not be accepted.
If you think you would be needing accommodations due to any reasons, please contact the appropriate department to request accommodations.
Plagiarism is highly prohibited. Please ensure you are citing your sources correctly using APA 7th edition. All assignments including discussion posts should be formatted in APA with the appropriate spacing, font, margin, and indents. Any papers not well formatted would be returned back to you, hence, I advise you review APA formatting style. I have attached a sample paper in APA format and will also post sample discussion responses in subsequent announcements.
Your initial discussion post should be a minimum of 200 words and response posts should be a minimum of 150 words. Be advised that I grade based on quality and not necessarily the number of words you post. A minimum of TWO references should be used for your initial post. For your response post, you do not need references as personal experiences would count as response posts. If you however cite anything from the literature for your response post, it is required that you cite your reference. You should include a minimum of THREE references for papers in this course. Please note that references should be no more than 5 years old except recommended as a resource for the class. Furthermore, for each discussion board question, you need ONE initial substantive response and TWO substantive responses to either your classmates or your instructor for a total of THREE responses. There are TWO discussion questions each week, hence, you need a total minimum of SIX discussion posts for each week. I usually post a discussion question each week. You could also respond to these as it would count towards your required SIX discussion posts for the week.
I understand this is a lot of information to cover in 5 weeks, however, the Bible says in Philippians 4:13 that we can do all things through Christ that strengthens us. Even in times like this, we are encouraged by God’s word that we have that ability in us to succeed with His strength. I pray that each and every one of you receives strength for this course and life generally as we navigate through this pandemic that is shaking our world today. Relax and enjoy the course!
Hi Class,
Please read through the following information on writing a Discussion question response and participation posts.
Contact me if you have any questions.
Important information on Writing a Discussion Question
- Your response needs to be a minimum of 150 words (not including your list of references)
- There needs to be at least TWO references with ONE being a peer reviewed professional journal article.
- Include in-text citations in your response
- Do not include quotes—instead summarize and paraphrase the information
- Follow APA-7th edition
- Points will be deducted if the above is not followed
Participation –replies to your classmates or instructor
- A minimum of 6 responses per week, on at least 3 days of the week.
- Each response needs at least ONE reference with citations—best if it is a peer reviewed journal article
- Each response needs to be at least 75 words in length (does not include your list of references)
- Responses need to be substantive by bringing information to the discussion or further enhance the discussion. Responses of “I agree” or “great post” does not count for the word count.
- Follow APA 7th edition
- Points will be deducted if the above is not followed
- Remember to use and follow APA-7th edition for all weekly assignments, discussion questions, and participation points.
- Here are some helpful links
- Student paper example
- Citing Sources
- The Writing Center is a great resource