| Course | NR 545 Pharmacology, Physical Assessment, and Pathophysiology Nurse Practitioner graduate placement |
|---|---|
| Week | 8 |
| Paper type | Comprehensive case paper |
| Length | About 1,180 words, 2 pages |
| Format | APA 7 student paper |
| School | Chamberlain University |
| Program | MSN, nurse practitioner core |
| Updated | September 2026 |
Free sample paper for NR 545 Week 8
Comprehensive Case Paper: One Patient With Heart Failure, Reduced Ejection Fraction and Diabetic Kidney Disease Carried From the First Mechanism to the Three-Month Echocardiogram That Tests It
Student Name
College of Nursing, Chamberlain University
NR 545: Pharmacology, Physical Assessment, and Pathophysiology
Instructor Name
Month Day, Year
Comprehensive Case Paper: One Patient With Heart Failure, Reduced Ejection Fraction and Diabetic Kidney Disease Carried From the First Mechanism to the Three-Month Echocardiogram That Tests It
Presentation
A 64-year-old retired machinist presented to primary care with three weeks of breathlessness on one flight of stairs, two-pillow orthopnea, two episodes of paroxysmal nocturnal dyspnea, evening ankle swelling and a 3 kg weight gain. Hypertension had been present for 15 years and type 2 diabetes for nine; the patient had quit a 30 pack-year smoking habit a decade before. The regimen on arrival was an ACE inhibitor, a dihydropyridine calcium channel blocker and metformin. Baseline eGFR was 52 mL/min/1.73 m². This paper follows the patient from presentation through the first three months of treatment. Every section opens by saying which earlier finding it builds on.
Physiological Account
The working account was heart failure with reduced ejection fraction: a left ventricle weakened by years of pressure overload ejects a smaller fraction of its volume, dilates to preserve stroke volume and raises its filling pressure. Sympathetic and renin-angiotensin-aldosterone activation maintain blood pressure but retain sodium and water and promote remodeling (Hartupee & Mann, 2017). Raised left-sided pressure explains the orthopnea and nocturnal breathlessness; raised right-sided pressure explains the edema.
The account committed to predictions: an elevated jugular venous pressure, pulmonary crackles and pitting edema, possibly a third heart sound and a displaced apex, with warm extremities because output appeared adequate at rest. It also flagged diabetic kidney disease as a probable second process behind the reduced eGFR.
Focused Examination
Taking those predictions, the examination tested each. Findings: pressure 138/84 mmHg with a pulse of 92, respiratory rate 20, oxygen saturation 95%; neck veins filled to an estimated 11 cm of water, rising further with abdominal pressure; a laterally displaced apex; S3 plus a soft holosystolic murmur at the apex; crackles at both bases and dullness on the right; a tender liver palpable 2 cm below the costal margin; pitting to mid-shin, graded 2+; and warm hands and feet with quick refill. Proportional pulse pressure was 0.39.
Every predicted finding was present. The patient was warm and wet, a profile that carried lower risk than the cold and wet profile among patients admitted with heart failure (Nohria et al., 2003).
Differential Reasoning
From those findings, four explanations were tested. Heart failure was supported by the third heart sound and chest film congestion, each with a positive likelihood ratio of about 11 to 12 in breathless patients (Wang et al., 2005), and by a B-type natriuretic peptide of 890 pg/mL, far above the 100 pg/mL threshold that separated heart failure from other causes in an emergency department study (Maisel et al., 2002). Chronic obstructive disease was weakened by the absence of wheeze and hyperinflation. Pulmonary embolism was unlikely given symmetric edema and film findings it does not produce. Amlodipine could add ankle edema but could not explain the raised jugular pressure or the natriuretic peptide.
Echocardiography confirmed an ejection fraction of 30% in an enlarged left ventricle, with mitral leakage judged functional and moderate. Coronary angiography later showed no significant disease, so the cardiomyopathy was classified as nonischemic, most likely hypertensive.
Therapeutic Plan
The plan inherits two findings: the patient was congested, and the ventricle was weak. Congestion was treated first with furosemide 40 mg daily. Amlodipine was stopped, because it adds edema and uses blood pressure room needed for drugs with mortality benefit.
Guideline-directed therapy for reduced ejection fraction was then built over eight weeks, one change at a time so that each effect could be attributed (Heidenreich et al., 2022). Dapagliflozin 10 mg daily was added at week one, chosen because it serves both of the patient's conditions: it reduced worsening heart failure and cardiovascular death in reduced ejection fraction regardless of diabetes (McMurray et al., 2019) and slowed kidney disease progression (Heerspink et al., 2020). Carvedilol was started at 3.125 mg twice daily at week three, once the patient was near dry weight. At week six, the patient developed orthostatic hypotension. The examination separated the two possible causes: warm extremities and a proportional pulse pressure of 0.37 argued against low output (Stevenson & Perloff, 1989), while weight below target, low jugular pressure and a rising urea pointed to volume depletion. Furosemide was changed to as-needed dosing and carvedilol was kept. Lisinopril was then switched to sacubitril/valsartan after a 36-hour gap, and carvedilol was increased to 12.5 mg twice daily.
At week ten, potassium was 5.2 mmol/L with eGFR 44 and rising albuminuria, so spironolactone was postponed until potassium fell below 5.0, then started at 12.5 mg daily at week eleven with potassium checks at three days and one week, which stayed at 4.9 and 5.0 mmol/L. Metformin was reduced to 500 mg twice daily for the lower eGFR. Pioglitazone and saxagliptin were deliberately avoided because of their heart failure risks (Scirica et al., 2013).
Education
Education carried the same logic in the patient's words: weigh every morning and act on the number; take the extra water pill when the morning weight has jumped by a kilogram overnight or two over a week; stop dapagliflozin and call when unable to eat or drink; avoid potassium-based salt substitutes; keep the feet clean and checked because of reduced sensation.
Follow-Up Written as a Test
The follow-up at three months of full therapy was built to test the earlier reasoning, not just to review progress.
Prediction 1: congestion resolves and stays resolved on as-needed diuretic. Result: weight stable at 86.0 to 86.6 kg, no orthopnea, jugular venous pressure normal, no edema, furosemide used three times in six weeks. Confirmed.
Prediction 2: the cause is nonischemic and the ventricle may recover. Repeat echocardiography showed an ejection fraction of 38%, up from 30%, with a smaller left ventricle. Improvement in a nonischemic cardiomyopathy on full therapy supports the hypertensive account. Because the ejection fraction is now above 35%, a primary-prevention defibrillator is not indicated at present; guidelines advise reassessing after at least three months of optimized therapy, and it will be reassessed at six months (Heidenreich et al., 2022).
Prediction 3: kidney function stabilizes after the expected early dip. eGFR 43, essentially unchanged from week ten; albumin ratio fell from 210 to 150 mg/g. Partly confirmed; a longer interval is needed.
What would reopen the argument. A fall in ejection fraction, recurrent congestion despite adherence, potassium persistently over 5.5 mmol/L, or an eGFR falling below 30 would each send the reasoning back to an earlier section.
Limitations
This is a single composite case, and some values are rounded. The echocardiographic improvement could partly reflect measurement variation between studies. Fatigue attributed to carvedilol and mild anemia has improved but was not formally measured. The paper describes one reasonable sequence of therapy; others would also follow the guidelines.
References
Hartupee, J., & Mann, D. L. (2017). Neurohormonal activation in heart failure with reduced ejection fraction. Nature Reviews Cardiology, 14(1), 30-38. https://doi.org/10.1038/nrcardio.2016.163
Heerspink, H. J. L., Stefánsson, B. V., Correa-Rotter, R., Chertow, G. M., Greene, T., Hou, F.-F., Mann, J. F. E., McMurray, J. J. V., Lindberg, M., Rossing, P., Sjöström, C. D., Toto, R. D., Langkilde, A.-M., & Wheeler, D. C. (2020). Dapagliflozin in patients with chronic kidney disease. New England Journal of Medicine, 383(15), 1436-1446. https://doi.org/10.1056/NEJMoa2024816
Heidenreich, P. A., Bozkurt, B., Aguilar, D., Allen, L. A., Byun, J. J., Colvin, M. M., Deswal, A., Drazner, M. H., Dunlay, S. M., Evers, L. R., Fang, J. C., Fedson, S. E., Fonarow, G. C., Hayek, S. S., Hernandez, A. F., Khazanie, P., Kittleson, M. M., Lee, C. S., Link, M. S., . . . Yancy, C. W. (2022). 2022 AHA/ACC/HFSA guideline for the management of heart failure: A report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. Circulation, 145(18), e895-e1032. https://doi.org/10.1161/CIR.0000000000001063
Maisel, A. S., Krishnaswamy, P., Nowak, R. M., McCord, J., Hollander, J. E., Duc, P., Omland, T., Storrow, A. B., Abraham, W. T., Wu, A. H. B., Clopton, P., Steg, P. G., Westheim, A., Knudsen, C. W., Perez, A., Kazanegra, R., Herrmann, H. C., & McCullough, P. A. (2002). Rapid measurement of B-type natriuretic peptide in the emergency diagnosis of heart failure. New England Journal of Medicine, 347(3), 161-167. https://doi.org/10.1056/NEJMoa020233
McMurray, J. J. V., Solomon, S. D., Inzucchi, S. E., Køber, L., Kosiborod, M. N., Martinez, F. A., Ponikowski, P., Sabatine, M. S., Anand, I. S., Bělohlávek, J., Böhm, M., Chiang, C.-E., Chopra, V. K., de Boer, R. A., Desai, A. S., Diez, M., Drozdz, J., Dukát, A., Ge, J., . . . Langkilde, A.-M. (2019). Dapagliflozin in patients with heart failure and reduced ejection fraction. New England Journal of Medicine, 381(21), 1995-2008. https://doi.org/10.1056/NEJMoa1911303
Nohria, A., Tsang, S. W., Fang, J. C., Lewis, E. F., Jarcho, J. A., Mudge, G. H., & Stevenson, L. W. (2003). Clinical assessment identifies hemodynamic profiles that predict outcomes in patients admitted with heart failure. Journal of the American College of Cardiology, 41(10), 1797-1804. https://doi.org/10.1016/S0735-1097(03)00309-7
Scirica, B. M., Bhatt, D. L., Braunwald, E., Steg, P. G., Davidson, J., Hirshberg, B., Ohman, P., Frederich, R., Wiviott, S. D., Hoffman, E. B., Cavender, M. A., Udell, J. A., Desai, N. R., Mosenzon, O., McGuire, D. K., Ray, K. K., Leiter, L. A., & Raz, I. (2013). Saxagliptin and cardiovascular outcomes in patients with type 2 diabetes mellitus. New England Journal of Medicine, 369(14), 1317-1326. https://doi.org/10.1056/NEJMoa1307684
Stevenson, L. W., & Perloff, J. K. (1989). The limited reliability of physical signs for estimating hemodynamics in chronic heart failure. JAMA, 261(6), 884-888. https://doi.org/10.1001/jama.1989.03420060100040
Wang, C. S., FitzGerald, J. M., Schulzer, M., Mak, E., & Ayas, N. T. (2005). Does this dyspneic patient in the emergency department have congestive heart failure? JAMA, 294(15), 1944-1956. https://doi.org/10.1001/jama.294.15.1944
The Chamberlain NR 545 Week 8 instructions
The final week asks for a comprehensive case paper covering a patient from presentation to follow-up. Typical instructions request the presentation, pathophysiology, a focused assessment with findings, differential diagnosis, a therapeutic plan with rationale, monitoring, education, follow-up and references. Choose a case rich enough to support every section. Have each section build explicitly on the one before it, so continuity is visible. Report examination findings once as data and refer back to them by name. Tie every element of therapy to a mechanism or finding, including what you chose not to do. Write the follow-up as a test of earlier predictions, naming the results that would confirm or reopen your reasoning. Add brief limitations. Spread current citations through the paper in APA 7.
How the NR 545 Week 8 example is put together
The paper opens with the presentation and baseline kidney function. The physiological account restates the mechanism and its predictions. The examination section reports each finding once and confirms the predictions. The differential section weighs four explanations with likelihood ratios and a natriuretic peptide, then records the echocardiogram and angiogram. The therapy section explains the sequence over eight weeks, one change at a time: diuresis, dapagliflozin, carvedilol, the orthostatic episode and its resolution, the sacubitril/valsartan switch, delayed spironolactone and a lower metformin dose. Education appears in plain language. The follow-up tests three predictions: congestion resolved, the ejection fraction improved to 38% and kidney function stabilized. Limitations close the paper.
Reading the NR 545 Week 8 grading rubric
Comprehensive case papers are generally evaluated on completeness, continuity between sections, accuracy of physiology, assessment and pharmacology, quality of clinical reasoning, a follow-up plan with purpose and scholarly writing. Continuity is the feature instructors read the whole paper to check, so sections that build on one another earn the most. Findings reported once and referred to later show disciplined use of data. A therapy plan in which every element points back to a mechanism or finding demonstrates integration. A follow-up written as a test of predictions shows mature reasoning. Brief, honest limitations add credibility. Current citations spread throughout, formatted in APA 7, and a formal register throughout a long document complete the expectations for the final paper.
Common NR 545 Week 8 mistakes, and how to avoid them
Final papers often read as a stack of earlier assignments with new headings. Rewrite so each section builds on the one before. Another weakness is a follow-up that simply says to return in three months, with no statement of what the visit will test. Name the predictions and the results that would reopen the case. Some students let the patient's details drift between sections; check age, doses and values for consistency. Avoid clustering citations in the opening pages. Keep the therapy section tied to findings rather than to a generic guideline list. Include what you deliberately left out and why. Proofread carefully, since a long paper is also read for presentation. Keep limitations short and specific rather than a paragraph of general caveats.
Get a NR 545 Week 8 example written to your instructions
Send the Week 8 instructions, the template and the case you plan to use, and a custom comprehensive example is written to them and returned inside 24 to 48 hours, free the first time. If a clinical component runs alongside your course, the hours, the logbook and anything a preceptor signs remain yours alone.
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NR 545 Week 8 questions, answered
How long is the final paper?
The published range decides it, and this is normally the longest submission of the term. A more useful question than length is coverage: when a section is thin, it usually means the case was never developed enough to support it. Padding the physiology to reach a count while the follow-up stays two sentences is the visible form of that problem.
Can I reuse the patient from an earlier week?
Frequently that is allowed and some sections prefer it, though your own instructions settle the question. Carrying a case forward gives the paper a depth a brand new case cannot reach in a single week. The material still has to be rewritten for this assignment rather than pasted, since the final paper asks for connections the earlier weeks only made in pieces.
What separates a top paper from a complete one?
Continuity, almost every time. Two papers can contain the same headings and the same clinical content, and the one scoring higher is where each section is visibly answerable to the others. The follow-up checks a prediction, the plan answers a finding, the finding answers a mechanism. That chain is what the whole course has been building toward.
Where can I find a free NR 545 Week 8 sample paper?
The heart failure comprehensive case paper appears above as the NR 545 Week 8 sample, in full. If your final case is different, send us the patient details and a comprehensive paper following this structure can be drafted.
How should the NR 545 Week 8 follow-up be written?
As a test of earlier reasoning, with the predictions it checks and the results that would reopen the argument. The sample tests resolution of congestion, improvement of the ejection fraction and kidney stability.