| Course | NR 576 Differential Diagnosis in Adult-Gerontology Primary Care |
|---|---|
| Week | 8 |
| Paper type | Diagnostic synthesis paper |
| Length | About 1,110 words, 5 pages |
| Format | APA 7 student paper |
| School | Chamberlain University |
| Program | MSN, Adult-Gerontology Primary Care NP (AGPCNP) |
| Updated | October 2026 |
Free sample paper for NR 576 Week 8
Diagnostic Synthesis: Falls and Numbness in a 78-Year-Old Assigned Among a New B12 Deficiency, a Diabetic Neuropathy Further Along Than Charted and a Restarted Alpha-Blocker
Student Name
College of Nursing, Chamberlain University
NR 576: Differential Diagnosis in Adult-Gerontology Primary Care
Instructor Name
Month Day, Year
Diagnostic Synthesis: Falls and Numbness in a 78-Year-Old Assigned Among a New B12 Deficiency, a Diabetic Neuropathy Further Along Than Charted and a Restarted Alpha-Blocker
The Argument
This 78-year-old presented with two falls at night, numbness rising to the knees and fingertips, lightheadedness on standing, a mild macrocytic anemia and memory change. The record offered one explanation, diabetic neuropathy. I argue that the findings divide among three: a new condition, vitamin B12 deficiency; an established condition, diabetic neuropathy, more advanced than its single 2019 entry implied; and a drug, tamsulosin, restarted three months before the falls. A single condition stretched across every finding would either leave some findings unexplained or explain them badly, and the division is argued below rather than apologized for, finding by finding.
Every Finding, Assigned
Table 1
Each Presenting Finding Assigned to an Explanation, With Its Basis
| Finding | Assigned to | Basis |
|---|---|---|
| Position sense lost at the great toes; positive Romberg | B12 deficiency | Posterior column pattern; disproportionate to touch loss |
| Brisk knee reflexes with absent ankle reflexes | B12 deficiency (knees) and diabetic neuropathy (ankles) | Spinal cord and peripheral nerve signs together |
| Fingertip numbness within six months | B12 deficiency | Speed and distribution not typical of length-dependent neuropathy at this level |
| Stocking touch loss to mid-shin | Diabetic neuropathy | Long-standing, length-dependent, present since 2019 |
| Mean corpuscular volume 102, hemoglobin 11.2 | B12 deficiency | Macrocytosis; anemia muted by folic acid in a supplement |
| B12 168 pg/mL, methylmalonic acid 0.62 | B12 deficiency | Low B12 with raised tissue marker and normal kidney function |
| Systolic drop of 22 on standing, morning lightheadedness | Tamsulosin, possibly with hydrochlorothiazide | Drop resolved to 6 off tamsulosin; restart three months before the falls |
| Two falls after dark, walking to the toilet | Tamsulosin and B12 deficiency together | Standing drop plus loss of position sense in the dark |
| Memory change since 2023 | Uncertain; B12 deficiency possibly contributing | Not yet reassessed after replacement |
Why Not One Explanation
The record's single explanation, diabetic neuropathy, accounts for the stocking loss and the absent ankle reflexes. It does not account for brisk knee reflexes, which suggest the spinal cord. It does not account well for position sense lost out of proportion to touch, or for fingertip involvement over six months in a patient with an A1c of 6.8%. It does not account for macrocytosis, the low B12 or the raised methylmalonic acid, and it does not account for a standing drop that resolved when tamsulosin was withheld.
A single explanation of B12 deficiency would do better than the record's label, but it would also fail: it would have to claim the falls on standing and ignore the response to stopping tamsulosin, and it would have to explain six years of stocking numbness that predated the rapid change. The division is less elegant than one diagnosis, but it accounts for more of the findings with fewer assumptions.
How the Explanations Relate
They are not independent. The diabetes led to metformin, which, with omeprazole, probably caused the B12 deficiency; long-term metformin use is associated with an increasing risk of deficiency with each year of use (Aroda et al., 2016), and a randomized trial found lower B12 levels with metformin than with placebo (de Jager et al., 2010). The established diabetic neuropathy and the new deficiency affect overlapping nerves, so each made the other harder to see. And the falls needed two things at once: a drop in pressure on standing, which tamsulosin produced, and an inability to sense the legs in the dark, which the deficiency produced. Removing either may have prevented the falls. The tamsulosin explanation fits the period of highest risk after restarting the drug (Bird et al., 2013).
Alternative Divisions Considered
Two other divisions were possible. The first assigns all the neurologic findings to B12 deficiency and none to diabetes. It fails because the stocking loss and the absent ankle reflexes were documented years before the rapid change and fit the length-dependent pattern of diabetic neuropathy. The second assigns the falls entirely to tamsulosin. It fails because the patient fell only in the dark, which points to a loss of position sense as well as a pressure drop; a pressure drop alone would cause falls in daylight too. Cervical myelopathy was a third candidate for the spinal cord signs; it remains possible but less likely without neck symptoms or arm signs, and it would be revisited if replacement fails.
What Would Change the Synthesis
Three results would change it. Should position sense and the Romberg fail to recover after three months of replacement, the B12 assignment for them weakens and cervical imaging follows. If the standing drop returns while the patient remains off tamsulosin, the drug assignment weakens and autonomic neuropathy from diabetes becomes the alternative. If memory improves with replacement, the uncertain assignment becomes firmer; if it does not, memory is assessed separately, as its own problem.
How Firmly Each Assignment Is Held
The B12 assignment is firm for the posterior column signs and the blood, because it rests on a low level and a raised tissue marker. It is less firm for the memory change, which predated the workup and may have other causes, although deficiency can affect cognition (Stabler, 2013); it will be reassessed after three months of replacement. The tamsulosin assignment is firm for the standing drop, because the drop resolved when the drug was withheld, but a single two-week trial is not proof. The diabetic neuropathy assignment rests on history and pattern, and the absence of a nerve conduction study means its extent is estimated.
What Changed in the Record
The two neuropathy entries were merged as peripheral neuropathy, diabetic and B12-related. "Dizziness" was replaced with orthostatic hypotension, drug-related. "Anemia of chronic disease" was replaced with macrocytic anemia due to B12 deficiency. Metformin continues with B12 replacement and periodic monitoring. The omeprazole decision and the long-term prostate treatment are with the patient and urology. The geriatric prescribing criteria's caution about long-term proton pump inhibitor use (American Geriatrics Society Beers Criteria Update Expert Panel, 2023) is part of the next visit's discussion.
What Remains Open
The memory change, the extent of neurologic recovery and whether omeprazole can be stopped. Each has a date for review and a named result to watch. The conclusion is not certain; it is the account that fits the findings best now and names what would change it, with dates for each review in the plan.
References
American Geriatrics Society Beers Criteria Update Expert Panel. (2023). American Geriatrics Society 2023 updated AGS Beers Criteria for potentially inappropriate medication use in older adults. Journal of the American Geriatrics Society, 71(7), 2052-2081. https://doi.org/10.1111/jgs.18372
Aroda, V. R., Edelstein, S. L., Goldberg, R. B., Knowler, W. C., Marcovina, S. M., Orchard, T. J., Bray, G. A., Schade, D. S., Temprosa, M. G., White, N. H., & Crandall, J. P. (2016). Long-term metformin use and vitamin B12 deficiency in the Diabetes Prevention Program Outcomes Study. Journal of Clinical Endocrinology & Metabolism, 101(4), 1754-1761. https://doi.org/10.1210/jc.2015-3754
Bird, S. T., Delaney, J. A. C., Brophy, J. M., Etminan, M., Skeldon, S. C., & Hartzema, A. G. (2013). Tamsulosin treatment for benign prostatic hyperplasia and risk of severe hypotension in men aged 40-85 years in the United States: Risk window analyses using between and within patient methodology. BMJ, 347, Article f6320. https://doi.org/10.1136/bmj.f6320
de Jager, J., Kooy, A., Lehert, P., Wulffele, M. G., van der Kolk, J., Bets, D., Verburg, J., Donker, A. J. M., & Stehouwer, C. D. A. (2010). Long term treatment with metformin in patients with type 2 diabetes and risk of vitamin B-12 deficiency: Randomised placebo controlled trial. BMJ, 340, Article c2181. https://doi.org/10.1136/bmj.c2181
Stabler, S. P. (2013). Vitamin B12 deficiency. New England Journal of Medicine, 368(2), 149-160. https://doi.org/10.1056/NEJMcp1113996
The Chamberlain NR 576 Week 8 instructions
The Week 8 assignment asks for a synthesis paper that assigns every finding the patient presented with to an explanation. Expect some findings to belong to a newly identified condition, some to one already on the record and further along than the chart suggested, and at least one to something the patient takes. The paper should argue that division rather than apologize for it, explain how the explanations relate to each other and refuse a single-explanation reading with an argument. Most rubrics also want each assignment held only as firmly as its evidence allows, with the results that would change it. Expect to say what would change your conclusion.
Inside the NR 576 Week 8 example
The paper states its argument in one paragraph. A table assigns nine findings, from lost position sense to memory change, each with its explanation and basis. A section argues why neither neuropathy nor B12 deficiency alone explains everything. Alternative divisions are considered and rejected. The relationships are traced: diabetes led to metformin, metformin and omeprazole to the deficiency, and the falls needed both a pressure drop and lost position sense. Firmness is stated assignment by assignment. A section names three results that would change the synthesis, and the paper closes on changes to the record and open items with dates. The argument stays visible from the first paragraph to the last.
NR 576 Week 8 rubric: what full points look like
The paper forfeits most where every finding is forced into one diagnosis and the misfits disappear; the table here keeps every finding visible. Assigning findings separately without saying how the explanations relate costs the next share, because it reads as small conclusions; the relationship section answers that. A single-explanation reading must be refused with an argument, not dismissed. Holding an assignment more firmly than its evidence allows loses a row, so firmness is stated for each. Naming what would change the synthesis earns credit for honesty, and recording changes to the problem list shows the reasoning reached the chart. A table that keeps every finding in view makes the argument easy to check.
NR 576 Week 8 help from the desk
The most common NR 576 Week 8 failure is a synthesis that fits everything into one diagnosis and drops the findings that do not fit. Another is a list of separate conclusions with no account of how they connect. Many papers reject the single-explanation view without explaining why. Some state every assignment with equal certainty. Few say what result would change their conclusion. If your case divides differently, send the findings and your current explanations; a synthesis can be laid out with every finding assigned and the links between explanations argued. Keep every finding in the table, explain how the explanations connect and say how firmly you hold each one. Name the results that would overturn each part.
Get a NR 576 Week 8 example written to your instructions
Send the prompt your section published, the rubric, and any patient material the paper is meant to be built on. A custom NR 576 Week 8 diagnostic synthesis paper is written to those requirements and delivered inside 24-48h, free on a first request, with every finding traceable to the explanation it was assigned to.
More NR 576 papers and AGPCNP samples
- NR 576 Week 1: Old Label Versus New Complaint Post
- NR 576 Week 2: Problem List Review
- NR 576 Week 3: Episodic Visit Note
- NR 576 Week 4: Clinical Reasoning Write-Up
- NR 576 Week 5: Diagnostic Work-Up Plan
- NR 576 Week 6: Case Presentation Script
- NR 576 Week 7: Atypical Presentation Write-Up
- NR 568 Week 8: Pharmacotherapy Synthesis
NR 576 Week 8 questions, answered
What separates this from the reasoning write-up earlier in the term?
Scope and direction. The earlier paper takes two surviving explanations and separates them; this one starts from everything the patient presented with and works out where each piece belongs. The example carries findings that were never in doubt alongside the contested ones, because a synthesis has to account for the whole picture rather than only for the part that was difficult.
Does the conclusion need to be certain?
It needs to be graded rather than uniform. The example holds some assignments firmly and others loosely, and the wording tells a reader which is which without a separate paragraph about uncertainty. A conclusion pitched at one level of confidence throughout is the commoner problem, since nobody can then tell which parts of the picture would survive a new result.
Can material from earlier assignments go into this paper?
The reasoning carries forward and the prose generally should not. Where a section builds the final paper on cases from earlier in the term, the example restates that material in the form a synthesis needs rather than pasting passages across, since arguments assembled for a narrower question rarely sit correctly inside a wider one. Check whether your classroom permits reuse at all.
Where can I find a free NR 576 Week 8 sample paper?
The full synthesis paper assigning every finding among B12 deficiency, diabetic neuropathy and tamsulosin is on this page.
Why do the falls need two explanations in the NR 576 Week 8 synthesis?
The patient fell only in the dark on standing, which needed both a pressure drop from tamsulosin and lost position sense from B12 deficiency; either alone might not have caused the falls.