| Course | NU743 Clinical Decision-Making and Collaboration |
|---|---|
| Unit | Unit 9 |
| Paper type | Seminar reflection |
| Length | About 890 words, 6 pages double-spaced |
| Format | APA 7 student paper |
| School | Purdue University Global |
| Program | Doctor of Nursing Practice (DNP) |
| Updated | September 2026 |
Free sample paper for NU743 Unit 9
Seven Was the Rule Until Someone Asked About the Heart: A Seminar Reflection on the Transfusion Threshold for a 76-Year-Old Woman With a Myocardial Infarction and a Hemoglobin of 7.6
[Student Name]
Purdue University Global
NU743: Clinical Decision-Making and Collaboration
Unit 9 Seminar Reflection
[Instructor Name]
[Date]
The patient and classmates are composite; laboratory values are bracketed.
The Argument I Opened With
Mrs. [K.], [76], came in with an NSTEMI, a heart attack without ST elevation. On day two her hemoglobin was [7.6] g/dL, down from [9.1], with no bleeding source found. The question for the seminar was whether to transfuse. I argued no. Restrictive thresholds, transfusing only below 7 g/dL, are safe in most hospitalized adults; the landmark trial in critically ill patients found that a restrictive strategy was at least as effective as a liberal one (Hébert et al., 1999). Our hospital's blood management alert fires for any order above 7, and it exists for good reason: transfusion carries risks, including fluid overload, and blood is a limited resource. Her hemoglobin of [7.6] did not meet the threshold, so I would not transfuse.
The Challenge
One classmate, a cardiac intensive care nurse, asked a simple question: "What does the evidence say for patients with a heart attack?" She then described the MINT trial, which assigned 3,504 anemic patients with a heart attack at random to a restrictive strategy, transfusing at a hemoglobin below 7 or 8 g/dL, or a liberal strategy, transfusing below 10. Death or recurrent myocardial infarction at 30 days occurred in 16.9 percent of the restrictive group and 14.5 percent of the liberal group, a risk ratio of 1.15 with a confidence interval of 0.99 to 1.34 (Carson et al., 2023b). The difference did not reach statistical significance, but every point estimate favored the liberal strategy.
I had assumed the restrictive evidence applied to her because it applied to most patients. I had not asked whether her condition was one of the exceptions. A heart muscle already short of oxygen may be the one organ where a little more hemoglobin matters.
I defended a threshold without asking whether my patient belonged to the population it was tested in.
What Changed
Two things changed. First, I no longer believe that 7 g/dL is the right default for a patient with an acute myocardial infarction. The MINT result is not definitive, since its confidence interval includes no effect, but the direction and size of the difference, in a trial of more than three thousand patients, make a liberal threshold at least a reasonable choice, and I would now lean toward transfusing Mrs. [K.]. Second, I changed how I use the alert. I had treated it as a rule. It is a prompt to check the indication, and for a patient in whom the evidence differs, the right response is to document the reason and proceed.
Why I Had Not Asked
It is worth recording why I had not asked the question myself. The restrictive threshold had been taught to me as one of the clearest lessons of modern evidence-based practice: a practice that was once routine, overturned by a large trial and confirmed by later ones. That history gave the number an authority beyond its evidence. The alert in our record reinforced it every time I ordered blood. And my patient's anemia seemed modest, just above the line, which made the decision feel settled before I had examined it. None of these reasons had anything to do with her heart. Seeing that helped me understand that a well-supported rule can become a habit that stops me from asking whether it fits the person in front of me.
What I Still Hold
I still hold that most hospitalized adults do well with restrictive thresholds, and that the alert is useful. International guidelines published in 2023 kept 7 g/dL as the transfusion trigger for most hospitalized adults, with a slightly higher threshold for patients with preexisting cardiovascular disease (Carson et al., 2023a). I also still hold that transfusion should be decided one unit at a time, with a reassessment after each, rather than by ordering several units at once. And I hold that the patient's own symptoms, such as chest pain or breathlessness at rest, should count as much as the number.
What Mrs. [K.] Would Have Wanted to Know
The seminar argued about thresholds as if the decision belonged to clinicians alone. Mrs. [K.] was awake and able to discuss it. If I had been her clinician, I would have explained that the evidence for a heart attack leans toward transfusing, that the benefit is uncertain, and that a unit of blood carries a small risk of fluid overload and reactions. Some patients would choose it; some would not.
The Practice I Now Follow
For a patient with an acute myocardial infarction and a hemoglobin below [10], I now discuss the MINT findings with the cardiology team and, unless there is a reason not to, transfuse one unit and reassess, documenting the reason when the blood management alert fires. For other hospitalized adults, I continue to use 7 g/dL, or 8 for those with cardiovascular disease, as the guidelines recommend. When I meet a threshold presented as a rule, I now ask the question my classmate asked: in whom was this tested?
References
Carson, J. L., Brooks, M. M., Hébert, P. C., Goodman, S. G., Bertolet, M., Glynn, S. A., Chaitman, B. R., Simon, T., Lopes, R. D., Goldsweig, A. M., DeFilippis, A. P., Abbott, J. D., Potter, B. J., Carrier, F. M., Rao, S. V., Cooper, H. A., Ghafghazi, S., Fergusson, D. A., Kostis, W. J., . . . Alexander, J. H. (2023b). Restrictive or liberal transfusion strategy in myocardial infarction and anemia. New England Journal of Medicine, 389(26), 2446-2456. https://doi.org/10.1056/NEJMoa2307983
Carson, J. L., Stanworth, S. J., Guyatt, G., Valentine, S., Dennis, J., Bakhtary, S., Cohn, C. S., Dubon, A., Grossman, B. J., Gupta, G. K., Hess, A. S., Jacobson, J. L., Kaplan, L. J., Lin, Y., Metcalf, R. A., Murphy, C. H., Pavenski, K., Prochaska, M. T., Raval, J. S., . . . Pagano, M. B. (2023a). Red blood cell transfusion: 2023 AABB international guidelines. JAMA, 330(19), 1892-1902. https://doi.org/10.1001/jama.2023.12914
Hébert, P. C., Wells, G., Blajchman, M. A., Marshall, J., Martin, C., Pagliarello, G., Tweeddale, M., Schweitzer, I., & Yetisir, E. (1999). A multicenter, randomized, controlled clinical trial of transfusion requirements in critical care. New England Journal of Medicine, 340(6), 409-417. https://doi.org/10.1056/NEJM199902113400601
NU743 Unit 9 instructions, in plain terms
Unit 9 asks you to reflect on a seminar debate in which your position was challenged. Most versions want your opening argument restated as delivered, the challenge described accurately with its evidence verified, what changed and what did not, and the practice you now follow. About 900 words in first person is typical. Faculty reward reflections that check the figures a classmate quoted against the original source, separate a narrowed position from a reversal, examine why the question was missed, and convert the change into a concrete practice. If your view did not change, report the strongest argument raised, the reason it failed to persuade you, and the evidence that would have changed your mind.
How this NU743 Unit 9 example is built
The reflection opens with the patient and the author's argument for a threshold of 7, citing the critical care transfusion trial and the alert. The challenge section reports the MINT trial's design and results with its confidence interval, verified against the published report, and carries the highlighted sentence about defending a threshold without asking who it was tested in. What changed covers the default for heart attack patients and the use of the alert. A section explains why the question had not been asked. What the author still holds cites the 2023 international guidelines. A section considers what the patient would have wanted to know, and the closing practice sets thresholds by condition.
Where the points sit in the NU743 Unit 9 rubric
In NU743, instructors grading this reflection usually look at accuracy about the starting position, engagement with the challenge, verification of evidence, depth of reflection and application. Accuracy earns credit when the opening argument is restated fairly. Engagement rewards a precise account of the challenge and its evidence. Verification is credited when figures are checked against the original source rather than taken from a classmate. Depth is judged on whether the writer examines why the view was held and what it missed. Application scores well when the reflection ends in a specific practice that differs from before. Reporting uncertainty honestly, such as an interval that includes no effect, is expected at the doctoral level.
NU743 Unit 9 help from the desk
A common weakness is describing the seminar as a pleasant discussion without saying what changed. Another is taking a classmate's figures on trust. Some reflections swing from one absolute to another, adopting a new rule as uncritically as the old one. Others ignore what still holds, which makes the change look larger than it was. Many never ask why the question was missed, which is often the most useful insight. And the patient is often absent from a debate about thresholds. Restate your opening position, verify the evidence that challenged it, separate what changed from what did not, and end with a practice you could describe to a colleague tomorrow.
Get an NU743 Unit 9 example written to your instructions
List the question your seminar debated and the side you took, along with the seminar prompt and rubric; if your section had you write a response rather than attend, include that assignment's wording. The first custom sample is free, arrives within 24-48h, and reports a change of position with its limits marked. The paper above is an original model document written by our desk, not a submitted student paper and not an official Purdue University Global document.
More NU743 papers and DNP samples
- NU743 Unit 1: Reasoning Narrative, Treat in Place
- NU743 Unit 2: Differential Workup, High ALP
- NU743 Unit 3: Discussion Post, PECARN and Observation
- NU743 Unit 4: Case Analysis, Postpartum Headache
- NU743 Unit 5: Decision Tree, Appendicitis
- NU743 Unit 6: Bias Self-Audit, Intoxicated Regular
- NU743 Unit 7: Conflict Analysis, Vancomycin Dosing
- NU743 Unit 8: Colleague Letter, Missed Scaphoid
- NU743 Unit 10: Integrated Case Report
- NU733 Unit 9: Advocacy Letter to the Health Officer
- NU713 Unit 9: Structural Framework Application, WHO
- NU703 Unit 9: Practice Problem Statement, Depression
NU743 Unit 9 questions, answered
What if the seminar did not change my mind at all?
Then the reflection reports that, with the same precision. The strongest argument raised in the room still belongs on the page, beside the reason it failed to persuade and the evidence that would have. A position tested and retained is a legitimate outcome, and faculty tend to credit an honest account of it over a manufactured change that the rest of the paper cannot support.
Should the reflection verify what classmates cited?
At this level, yes, at least for any claim that carried the argument. The sample checks the trial figures a classmate quoted and cites the original report rather than the classmate. Doing so separates reflection from recollection, and it protects the paper if a number said aloud in seminar turns out to have been misremembered.
Can the sample reflect on a different debate topic?
Yes. Send the case or question your seminar debated and the position you took, and the sample is rebuilt around that exchange, whether it concerned a threshold, a referral, an ethical question or a disputed diagnosis. The five-part sequence of position, challenge, concession, residue and action carries over to most topics.
Where can I find a free NU743 Unit 9 sample paper?
This page carries the complete NU743 Unit 9 seminar reflection, with the opening argument, the challenge and its verified evidence, what changed, why it had not been asked, what still holds, the patient's view and a new practice, plus three references. Help with a reflection on your own debate is available.
What did the MINT trial find in NU743 Unit 9?
In 3,504 patients with myocardial infarction and anemia, death or recurrent infarction at 30 days occurred in 16.9 percent with a restrictive strategy and 14.5 percent with a liberal one; the risk ratio was 1.15, with an interval from 0.99 to 1.34.