CDSS pros and cons table and APN scenario: a guide
Two tasks in one post: a Pros versus Cons table where the rationale beside each item carries the marks, and an invented APN scenario that has to show the system changing a decision.
Editorial process
Last reviewed · August 10, 2026
What does this CDSS discussion actually require?
This post is two separate tasks and they are graded together, so neither can be skimped. The first is a table with a Pro column and a Con column, at least three items in each, and a brief rationale beside every single item. The rationale is the part that carries the marks and the part most often missing: six bare phrases in two columns is a list, and the instruction explicitly asks why each item belongs where you put it. The second task is an invented clinical patient and scenario, written from your future role as an advanced practice nurse, showing how a clinical decision support system might influence a decision. Build the table first, then choose the scenario so that it demonstrates one of the pros or one of the cons you have already argued for. That link between the two halves is what makes the post read as a single piece of thinking.
The cons are where you can be most specific, because the failure mode of clinical decision support has been measured repeatedly. Drug safety alerts fired by these systems are overridden by clinicians in somewhere between roughly half and the overwhelming majority of cases, depending on the institution and the alert type, and override rates near ninety per cent have been recorded even for alerts flagging immune-mediated and life-threatening reactions. That is alert fatigue with a number attached. Physicians report overriding because alerts fire on trivia, repeat themselves, and frequently do not apply to the patient in front of them, so the signal is buried in noise. A rationale that says a con is alert fatigue and cites an override range is doing something a rationale that says the system can be annoying is not.
The other cons worth arguing are structural rather than irritating. Integration with the existing electronic health record is genuinely difficult, and a system that cannot see the whole record gives advice on a partial picture. Data privacy sits alongside it, because a decision support tool reaching across records widens the surface that has to be protected under HIPAA. Automation bias is the subtle one and it is worth a place in your table: a clinician who trusts the system stops thinking independently, and a wrong recommendation then passes unchallenged. Finally, the knowledge base ages. A rule set built on a guideline that has since been revised will keep confidently recommending the superseded action until somebody updates it, and nothing in the interface tells the user how old the underlying evidence is or when the rule was last reviewed. Governance, in other words, is a drawback of the system rather than a detail of its administration.
The pros need the same treatment and they are easier to state badly. The defensible ones are that the system applies current evidence at the moment of ordering rather than leaving recall to memory, that it catches interactions and contraindications a human scanning a long medication list will miss, that it standardises practice across clinicians of different experience levels, and that it can prompt for preventive and screening actions that get lost in a visit dominated by an acute complaint. Chronic disease management is where the literature is most positive, so if you want a pro backed by a review rather than by reasoning, that is where to look. Keep each rationale to a sentence or two, because the instruction says brief and the discussion carries a word economy that a sprawling table will spend.
The scenario is the half where posts fall down hardest, and the reason is almost always the same. The writer describes a patient, describes an alert firing, and describes themselves agreeing with it. Nothing has been demonstrated: the system confirmed a decision that had already been made, so the post shows a tool that made no difference. An exemplary depiction, which is the word the instruction uses, shows the system changing something. The alert surfaces a renal dose adjustment the prescriber had not calculated, or flags an interaction with a supplement buried three screens deep in the history, or recalculates a risk score that moves the patient across a treatment threshold. Write the moment where your clinical reasoning shifts, and then say plainly what you would have done without the prompt. That counterfactual is the evidence that the tool mattered, and it costs you one sentence.
A few mechanics decide marks that have nothing to do with content. Two scholarly sources is the floor for the initial post, and the rubric rewards sources published within the last five years, so check dates before you commit to a citation. Direct quotes are capped at one quotation of no more than fifteen words, and points come off under grammar and APA if you exceed it, which in practice means paraphrasing your override statistics rather than quoting them. In-text citations and the reference list have to match exactly. And the interactive dialogue category is worth as much as scholarliness, so the reply to a peer is not an afterthought: it needs its own scholarly source and has to add something to the thread rather than agree with it. Plan the reply while your sources are still open.
Likely learning objectives
Inferred from the brief — check these against your own rubric.
- 01Produce a two-column table in which every item carries its own rationale.
- 02Argue at least three defensible advantages and three defensible drawbacks of decision support.
- 03Attach measured override rates to the alert fatigue argument rather than asserting it.
- 04Distinguish structural drawbacks such as integration and automation bias from irritation.
- 05Write a scenario in which the system changes a clinical decision rather than confirming one.
- 06Meet the source, quotation and citation rules that the rubric grades separately from content.
Read the full question
Review every instruction before using the planning guidance that follows.
The table, the scenario and the mechanics
- 01A table with a Pro column and a Con column, at least three items in each.
- 02A brief rationale beside every item in both columns.
- 03An invented clinical patient and scenario written from the role of an advanced practice nurse.
- 04A demonstration of how the CDSS influences the decision in that scenario.
- 05At least two scholarly sources supporting the initial post, published within the last five years.
- 06At most one direct quotation, of no more than fifteen words.
- 07A substantive reply to at least one peer, itself carrying a scholarly source.
Building the table, then the scenario that proves it
The pros, with rationales
Argue evidence at the point of ordering, interaction and contraindication checking, standardisation across experience levels, and preventive prompting.
The cons, with rationales
Argue alert fatigue with measured override rates, integration limits, privacy exposure, automation bias, and knowledge bases that age.
The patient and the setting
Introduce a specific invented patient, the presenting problem, and the decision you as an APN are about to make.
The moment the system intervenes
Show the alert or recommendation, what it surfaced that you had not, and how your reasoning changed as a result.
The link back to the table
Close by naming which pro or con the scenario just illustrated, so both halves of the post argue the same thing.
Where the evidence on decision support sits
Recommended databases
- PubMed Central for reviews of clinical decision support and of alert override behaviour
- CINAHL for advanced practice nursing perspectives on decision support
- AHRQ and HealthIT.gov for implementation guidance and safety framing
- Your course lesson materials, which the rubric weights most heavily
Search sequence
- 1.Search for override rates for drug safety alerts and record the range and the alert types it covers.
- 2.Search for reviews of clinician acceptance of decision support over time, to source the adoption arguments.
- 3.Search for decision support in chronic disease management, where the benefit evidence is strongest.
- 4.Filter every result to the last five years before citing it.
- 5.Choose a scenario whose clinical detail you can state accurately, since an invented case still has to be coherent.
Reference shortlist
These are authoritative starting points, not a ready-made bibliography. A qualified reviewer must confirm that each source fits the assignment and supports the claim beside which it is cited.
Nothing here is cleared for citation until you have read it.
- 01
Harnessing the power of clinical decision support systems: challenges and opportunities
Open Heart · 2023
Sets out the three implementation obstacles worth putting in your Con column: data privacy under HIPAA, integration with the existing electronic health record, and clinician acceptance.
- 02
The Overriding of Computerized Physician Order Entry (CPOE) Drug Safety Alerts Fired by the Clinical Decision Support (CDS) Tool: Evaluation of Appropriate Responses and Alert Fatigue Solutions
International Journal of Environmental Research and Public Health · 2022
The source for override rates and for why clinicians override: alerts that fire on trivia, repeat, or do not apply to the patient. This is alert fatigue with numbers.
- 03
A systematic review of clinicians' acceptance and use of clinical decision support systems over time
npj Digital Medicine · 2025
Recent and directly on the adoption question. Useful for arguing that acceptance is a design problem rather than a clinician failing.
- 04
Benefits of Clinical Decision Support Systems for the Management of Noncommunicable Chronic Diseases: Targeted Literature Review
JMIR Medical Informatics · 2024
Where the benefit evidence is strongest. Use it to support a Pro with a review rather than with reasoning.
Review before submission
Common mistakes
- Listing three pros and three cons with no rationale beside them, which forfeits the larger part of the task.
- Writing a scenario in which the alert agrees with a decision the clinician had already made.
- Describing alert fatigue as annoyance rather than as a measured override rate.
- Treating the table and the scenario as two unrelated halves with nothing connecting them.
- Using sources older than five years when the rubric names that window.
- Exceeding the fifteen-word quotation cap, which is penalised under grammar and APA rather than content.
- Leaving the peer reply unsourced, when interactive dialogue is weighted as heavily as scholarliness.
Submission checklist
- The table has two labelled columns and at least three items in each.
- Every item in both columns has a rationale next to it.
- At least one con is supported with a figure rather than an adjective.
- The scenario names a specific patient, setting and clinical question.
- The scenario shows the decision changing, and says what would have happened without the system.
- The scenario connects back to an item already argued in the table.
- Two or more scholarly sources are cited, all within the last five years.
- No more than one quotation, and it is under fifteen words.
- In-text citations and reference list entries match, in APA format.
Use this guide to plan and review your own work. Follow your institution's rules and read our academic-integrity policy.

Written by
Aaron Bishop
MA, Education
assignment interpretation and research-methods coaching across disciplines
Aaron leads the EssayCrackers editorial desk. He works on how assignment briefs are read — what a rubric is actually asking for, and where students most often answer a different question than the one set.

Reviewed by
Dr. Nathan Cole
PhD, Rhetoric & Composition
Argumentation and thesis development
Nathan teaches first-year composition and directs a university writing center. He reviews EssayCrackers guides for argumentative soundness and citation accuracy.