| Course | NR 569 Differential Diagnosis in Acute Care Practicum |
|---|---|
| Week | 1 |
| Paper type | Discussion post with two replies |
| Length | About 720 words |
| Format | Discussion post with APA 7 citations |
| School | Chamberlain University |
| Program | MSN, Adult-Gerontology Acute Care NP (AGACNP) |
| Updated | October 2026 |
Free sample paper for NR 569 Week 1
Week 1 Discussion: Initial Post
Fever and Three Days of Low Back Pain in a 61-Year-Old Who Dialyzes Through a Tunneled Catheter: Five Conditions, a Reason Line for Each and the One I Expect Nobody Else to List
Initial Post
The opening we were given this week is short: a 61-year-old who receives hemodialysis three times a week through a tunneled catheter in the right internal jugular vein reports three days of low back pain, and the nurse records a temperature of 38.4 C at the start of today's session. Nothing else is supplied. I have kept my list to five conditions and given each one the clause from the opening that put it there.
1. Catheter-related bloodstream infection. Reason line: a tunneled line plus a new fever in someone who dialyzes is the commonest pairing on any renal unit, and the line is the only foreign body we are told about.
2. Spinal epidural abscess. Reason line: fever and spine pain together in a person whose bloodstream is entered three times a week. The complete picture of fever, back pain and new weakness or numbness shows up in only a minority of patients at their first visit (Darouiche, 2006), so waiting for weakness before listing it would be waiting for the stage where recovery is least likely. In one emergency department series, three quarters of the patients with this abscess had a delayed diagnosis (Davis et al., 2004).
3. Vertebral osteomyelitis with discitis. Reason line: the same two clauses as the abscess, a fever and a painful spine, with a bloodstream that bacteria can reach. The infectious disease guideline treats spine pain with fever, or spine pain after a bloodstream infection, as the setting in which this diagnosis should be pursued (Berbari et al., 2015).
4. Infective endocarditis seeding the spine. Reason line: if the catheter has been shedding organisms, the question is not only where they started but where they landed. This is the entry I expect nobody else to type. I am not defending it because it is unusual. I am defending it because the opening contains every piece of it: an intravascular device, a fever and a second site of pain away from the device. The same guideline asks clinicians to look for endocarditis in defined groups with spinal infection, including bacteremia with Staphylococcus aureus (Berbari et al., 2015).
5. Mechanical back pain with an unrelated febrile illness. Reason line: the opening does not say whether the pain began before the fever. Two common problems can arrive in the same week, and leaving this off would pretend the opening says more than it does.
Order, this early: I put the bloodstream infection first because the catheter is the one source we can name, and the epidural abscess second because it is the entry where a wrong order costs the most. Everything below those two is still loose.
Where I stop: the opening does not tell me about weakness, bladder function, prior cultures or how long the catheter has been in. I would want those before the list grows or shrinks.
Question for the group: did anyone place the epidural abscess first, and if so, what in these two sentences made it outrank the catheter?
Reply to Courtney
Courtney, your list put pyelonephritis third, and your reason line was fever plus back pain. I would ask whether the opening supports it. Many people on long-term hemodialysis make little or no urine, so the kidney as a source needs one more fact before it earns its place. If you keep it, the reason line could name what you would need to learn first, such as residual urine output. Your second entry, the epidural abscess, has a strong reason line and I would move it above the kidney.
Reply to Marcus
Marcus, you put muscle strain first because back pain is common. That is true across the whole population, and that is the problem with it here: the same sentence would have placed strain first before we read the opening. What in these two lines makes strain more likely than an infection in a person with a tunneled catheter and a fever of 38.4? If the answer is nothing, I would move it down and keep it as the entry that stays unless something rules it out.
References
Berbari, E. F., Kanj, S. S., Kowalski, T. J., Darouiche, R. O., Widmer, A. F., Schmitt, S. K., Hendershot, E. F., Holtom, P. D., Huddleston, P. M., Petermann, G. W., & Osmon, D. R. (2015). 2015 Infectious Diseases Society of America (IDSA) clinical practice guidelines for the diagnosis and treatment of native vertebral osteomyelitis in adults. Clinical Infectious Diseases, 61(6), e26-e46. https://doi.org/10.1093/cid/civ482
Darouiche, R. O. (2006). Spinal epidural abscess. New England Journal of Medicine, 355(19), 2012-2020. https://doi.org/10.1056/NEJMra055111
Davis, D. P., Wold, R. M., Patel, R. J., Tran, A. J., Tokhi, R. N., Chan, T. C., & Vilke, G. M. (2004). The clinical presentation and impact of diagnostic delays on emergency department patients with spinal epidural abscess. Journal of Emergency Medicine, 26(3), 285-291. https://doi.org/10.1016/j.jemermed.2003.11.013
Reading the NR 569 Week 1 instructions
The opening discussion hands every student the same two or three sentences about a patient and asks what could explain them. Expect the prompt to cap the list at about five conditions and to want a reason for each one. That reason has to come from the words supplied, not from what is common in general. One entry should be something classmates are unlikely to list, defended from the opening rather than from how rare it is. A rough order is welcome this early, with a sentence on why the first two sit where they do. Most sections also ask you to say what the opening leaves out, and to post two replies that test a classmate's reasoning instead of agreeing with it.
How this NR 569 Week 1 example is built
The sample starts by restating the supplied opening exactly, then gives five numbered conditions with a reason line under each. The bloodstream infection is tied to the tunneled line; the epidural abscess and vertebral osteomyelitis are tied to fever plus spine pain in someone whose bloodstream is entered three times a week, with two sources on delayed recognition and on the guideline setting. Endocarditis is argued from three pieces already in the opening: a device in a vein, a fever and pain at a second site. A fifth entry admits that two ordinary problems can share a week. The order is justified in two sentences, the missing facts are named, and a question closes the post. The replies each ask for one specific change.
Reading the NR 569 Week 1 grading rubric
Points in this first discussion gather around the reason lines. A condition with no clause from the opening behind it reads as a memorized list for the body system, and markers take it apart quickly. The defended extra entry earns its row when the argument comes from the supplied facts; the endocarditis entry here is built that way, not from rarity. The order row asks only for a reason under the top two, so this post keeps that to two sentences. Naming what the opening does not say shows restraint and wins credit in sections that grade judgment. Separate points go to replies, counted against the number your section posts, and a reply that asks the classmate to change one entry scores above praise.
NR 569 Week 1 help: mistakes that cost points
The commonest slip in NR 569 Week 1 is a list of eight or ten conditions with nothing tying them to the opening, which reads like a textbook chapter. A close second is an unusual entry justified only by how uncommon it is. Some posts rank the list and never say why, or place a common problem first because it is common everywhere, which ignores the details supplied. Others run long on pathophysiology and leave no room for the reasons. Replies that only agree lose their separate points. If your section's opening differs, send it with your draft list; a sample for your exact opening can follow this format, with a reason line under every entry.
Get a NR 569 Week 1 example written to your instructions
Paste in the Week 1 instructions as your classroom posts them, together with the opening scenario if one is supplied and the reply count your section expects, and a custom example written to all three comes back inside 24 to 48 hours, the first one free. Where the scenario comes from your section, the sample reasons about that one and not a stand-in.
More NR 569 papers and AGACNP samples
- NR 569 Week 2: Undifferentiated Presentation Write-up
- NR 569 Week 3: Differential Narrowing Memo
- NR 569 Week 4: Discriminating Feature Brief
- NR 569 Week 5: Diagnostic Test Rationale
- NR 569 Week 6: Reasoning Journal Entry
- NR 569 Week 7: Revised Differential Note
- NR 569 Week 8: Diagnostic Accuracy Review
- NR 567 Week 1: Status Epilepticus Route Discussion
NR 569 Week 1 questions, answered
Our instructions just say list possible causes. How short can the set be?
Short enough that every entry has a reason line and the writer can defend the last one. Five is a common ceiling and three is rarely too few, because a set of eight with nothing under half of them scores below a set of four that all hold. Where your section publishes a count, the example holds to it exactly.
Does the added item have to be something rare?
No, and rare is usually the weaker choice. The entry that earns most is one the opening supports and most readers skip anyway, often because it is common somewhere else in the body. Rarity is not something a marker can weigh, since an uncommon condition is uncommon for every patient. Argue the item from what the scenario actually records, not from how unusual it is.
Should the post say what I would do for this patient?
Only if your instructions ask, and in most sections they do not. NR 569 sits at the front of the acute care practicum sequence and is marked on the list rather than on the response to it. Common management arrives in the course after this one, complexity in the one after that, and the rotations graded on the placement record itself come later still.
Where can I find a free NR 569 Week 1 sample paper?
The full post on fever and back pain in a patient on dialysis, with replies to Courtney and Marcus, sits on this page. Its five reason lines show the format for any opening your section supplies.
Why is endocarditis the extra entry in this NR 569 Week 1 post?
Because the opening already holds every piece of it: a catheter in a vein, a fever and pain at a second site. The post defends it from those facts, not from how rare it is.