| Course | PA 518 Comp Clin Mod Cardiovascular |
|---|---|
| Week | 1 |
| Paper type | Discussion post with two replies |
| Length | About 510 words |
| Format | Discussion post with APA 7 citations |
| School | Chamberlain University |
| Program | Master of Physician Assistant Studies (MPAS) |
| Updated | October 2026 |
Free sample paper for PA 518 Week 1
Week 1 Discussion: Initial Post
Two Flights of Stairs With a Bag of Groceries: Putting a Figure on Obstructive Coronary Disease for a 64-Year-Old With Diabetes Before Anything Is Ordered
Initial Post
The condition I am estimating is obstructive coronary artery disease, meaning a narrowing that limits flow, in A.K., a 64-year-old retired electrician who phoned the clinic about three weeks of chest pressure. Before any test, I put the likelihood in the intermediate band, about 35 to 50 percent. The base comes from the pretest tables for a 60 to 69 year old male patient with typical angina, which give roughly 44 percent (Knuuti et al., 2019). Three features moved me from that base, and one pulled the other way.
The Features and Their Direction
Up: the pain meets all three parts of the typical definition. It is a pressure behind the sternum, it comes on with exertion, climbing two flights carrying groceries, and it fades within four minutes of rest. Each of those alone is common; together they are the strongest single push toward disease.
Up: A.K. has type 2 diabetes for eleven years and hypertension, and the chest pain guideline treats risk factors like these as raising clinical likelihood above the table value (Gulati et al., 2021).
Up, slightly: A.K. has a left bundle branch block on an old tracing, which can go with structural heart disease, although it says nothing about the coronary arteries on its own.
Down: one episode came at rest after a large evening meal, with a sour taste in the mouth. That sounds like reflux and argues against the pain being purely exertional. It cost the estimate a few points, not more, because the other episodes were all clearly tied to effort.
What Would Move It
If the history turned out to include pain at rest more often than with effort, I would drop to the low twenties. If A.K. described pain that now comes on with less effort than a month ago, the question would change from stable disease to an unstable pattern, and the band would no longer be the point.
For the Group
My figure is 35 to 50 percent. To move it below 20, you would have to show me that the stairs are not the trigger. Which feature in your scenario would a reader have to overturn to change your number?
Reply to Jasmine
Jasmine, your post calls the chest pain in your scenario was "probably musculoskeletal." What number would you put on that, and which finding got you there? If tenderness over the costochondral joints is the reason, does reproducing the pain by pressing on the chest wall lower your estimate for coronary disease to near zero, or only somewhat?
Reply to Eli
Eli, you gave your 48-year-old patient a "high" likelihood. Your course table puts a 40 to 49 year old with atypical pain much lower than that. Which feature in the history moved you above the table, and how far would it have to be weakened before you came back down?
References
Gulati, M., Levy, P. D., Mukherjee, D., Amsterdam, E., Bhatt, D. L., Birtcher, K. K., Blankstein, R., Boyd, J., Bullock-Palmer, R. P., Conejo, T., Diercks, D. B., Gentile, F., Greenwood, J. P., Hess, E. P., Hollenberg, S. M., Jaber, W. A., Jneid, H., Joglar, J. A., Morrow, D. A., . . . Shaw, L. J. (2021). 2021 AHA/ACC/ASE/CHEST/SAEM/SCCT/SCMR guideline for the evaluation and diagnosis of chest pain: A report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. Circulation, 144(22), e368-e454. https://doi.org/10.1161/CIR.0000000000001029
Knuuti, J., Wijns, W., Saraste, A., Capodanno, D., Barbato, E., Funck-Brentano, C., Prescott, E., Storey, R. F., Deaton, C., Cuisset, T., Agewall, S., Dickstein, K., Edvardsen, T., Escaned, J., Gersh, B. J., Svitil, P., Gilard, M., Hasdai, D., Hatala, R., . . . Clapp, B. (2019). 2019 ESC guidelines for the diagnosis and management of chronic coronary syndromes. European Heart Journal, 41(3), 407-477. https://doi.org/10.1093/eurheartj/ehz425
PA 518 Week 1 instructions, in plain terms
The opening discussion asks you to read a short chest pain scenario and commit to a likelihood for one named condition before anything is ordered. Name the condition precisely, such as obstructive coronary disease or acute coronary syndrome, and give the likelihood as a percentage band or a category your syllabus defines. Explain where the starting point comes from, usually a published pretest table. Then list the two to four features that moved you, each stated as pushing the estimate up or down. Include at least one feature that argued against you and say what it cost. Say what new information would move your band. Keep the post near 300 words in plain paragraphs. Close with the feature a reader would need to overturn, and reply to two classmates by asking for their figure and its basis.
How the PA 518 Week 1 example is put together
The post begins with the condition and the band, 35 to 50 percent, for A.K., a retired electrician who phoned about three weeks of pressure. The base of about 44 percent comes from the ESC table for a male patient aged 60 to 69 with typical angina. Four features follow with their direction: the three parts of typical angina pushing up, diabetes and hypertension pushing up with a citation to the chest pain guideline, an old bundle branch block pushing up slightly and one post-meal episode with a sour taste pushing down by a few points. A section explains what would move the band to the low twenties or change the question to unstable disease. The close names the stairs as the feature to overturn. Replies ask Jasmine for a figure on musculoskeletal pain and Eli why his estimate sits above the table.
PA 518 Week 1 rubric: what full points look like
Most points on this post go to committing to a figure. An answer that lists possible diagnoses or says the risk is concerning without a number or category loses the largest share. Next comes the link between features and the estimate: findings named as present but never said to raise or lower the figure earn little credit. Faculty reward the feature that argued against the writer, since admitting it shows the estimate was tested. A stated source for the starting point is expected, and a figure far from the table without explanation is marked down. Smaller deductions come from ordering tests in a post meant to precede testing, from writing well over the length limit and from replies that agree rather than ask for a number. Posting on schedule also counts in many sections.
PA 518 Week 1 help: mistakes that cost points
The trap in this first cardiology post is listing everything the patient might have instead of committing to one figure. Send the scenario your section posted, and the custom sample will name the condition, find the right row of the pretest table your course uses and then move the estimate feature by feature, saying which way each one pushes. It will include the feature that cuts against the estimate and the cost of that feature. A short section names what would shift the band. If your syllabus defines categories instead of percentages, the sample uses them. Replies are written to your classmates' actual posts and press each one for a number. Check the table row against your own course reading before using the model's reasoning in your post.
Get a PA-518 Week 1 example written to your instructions
Send the scenario your section posted, its word limit and the number of replies it expects, and a custom example comes back written to those inside 24 to 48 hours, the first one free. If your classroom names the condition the estimate has to be about, include that line, because the post is built around the condition rather than around the complaint.
More PA 518 papers and MPAS samples
- PA 518 Week 2: ECG Interpretation Drill
- PA 518 Week 3: Pretest Probability Worksheet
- PA 518 Week 4: Chest Pain Risk Stratification
- PA 518 Week 5: Troponin Trend Reasoning
- PA 518 Week 6: Stress Test Selection Rationale
- PA 518 Week 7: Stroke Risk Scoring Memo
- PA 518 Week 8: Reperfusion Timing Brief
- PA 516 Week 1: Hidden Eardrum Discussion Post
- PA 514 Week 1: Exposure-First Discussion Post
- PA 512 Week 1: One Lab Figure Post
- PA 510 Week 1: Scale Versus Crust Post
PA 518 Week 1 questions, answered
Does the estimate have to be a percentage?
In many sections either form is accepted, so a band such as ten to twenty percent, or a category your syllabus defines, will both do. What matters is that somebody else can compare it. Wording like probably not or fairly likely cannot be set against a classmate's figure, and the reply half of the week depends on exactly that comparison being possible.
What if my scenario gives almost no detail?
Then the estimate rests on fewer features and the defense says so. A thin scenario is often deliberate, and posts naming what is absent and how the figure would shift once it arrived tend to read better than posts that invent the missing detail. Send the scenario exactly as your section published it and the example works from that.
Can I change my figure after reading the replies?
Usually yes, and doing it openly is the stronger move. Sections reward a revision that names the argument which caused it and states the new number, since that is the same reasoning the course asks for later in the term. A figure that shifts between posts with no acknowledgment reads as inconsistency instead.
Where can I find a free PA 518 Week 1 sample paper?
This page holds a complete PA 518 Week 1 post estimating obstructive coronary disease at 35 to 50 percent, with replies to two classmates.
What feature argued against the estimate in the PA 518 Week 1 sample?
One episode came at rest after a large meal with a sour taste, which sounds like reflux and took a few points off the band.