Read this first: ACEP PEER is built for United States board certification, not the Canadian Royal College. It targets the American Board of Emergency Medicine pathway, mentions no RCPSC alignment anywhere, and awards American CME. It is a large, high-quality emergency-medicine knowledge resource, and its breadth makes it a usable calibration instrument for a Royal College candidate — but only if you treat it as a US-calibrated mock, audit the localisation gap on every item, and remember it is multiple-choice only and does not touch the RCPSC Applied examination. This is a protocol for one disciplined calibration sitting before your final month, not a daily grind.
What ACEP PEER offers right now
The following is ACEP-reported and last checked on 20 July 2026; verify current details on acep.org, noting that PEER has migrated to the ACEP Learn platform at aceplearn.acep.org, where progress and CME were reset.
PEER for Physicians advertises, as vendor-reported figures, more than 3,300 core-content questions, over 1,700 PEER Pearl infographics and more than 2,750 key-point rapid-review questions, for around US$379 for members and US$629 for non-members, with one-year access and 145 AMA PRA Category 1 Credits. Standalone mock exams include a Mock EM Qualifying Exam of 305 questions, a Mock In-Training Exam of 225 and a Mock Clerkship Exam of 110. The product explicitly targets ABEM exams — the in-training exam, initial certification, MyEMCert and AEMUS focused practice designation. There is no RCPSC-specific version, and no adaptive AI tutor is advertised; it is a large fixed bank with a custom-exam builder and topic-level performance breakdowns.
Exam anchor: what RCPSC Emergency Medicine requires
The Royal College certification in Emergency Medicine has two separate parts: a computer-based written multiple-choice component and a separate Applied examination in an oral or OSCE-style format, taken at the same test centre. Exact question counts and session structure are not published on an accessible page, so verify the current structure and question count on royalcollege.ca rather than trusting any third-party number. The objectives are the Royal College's competency-based training requirements. The implication for this article is twofold: a US MCQ bank can only ever address the written knowledge behind the first component, and nothing in PEER addresses the Applied examination at all. iatroX, likewise, is a written-knowledge and unseen-MCQ layer only and does not reproduce the Applied or oral component.
Inventory the official material, then place PEER correctly
Genuinely official RCPSC Emergency Medicine practice material is scarce; there is no large official Canadian MCQ set candidates can drill. That scarcity is exactly why candidates reach for third-party US banks like PEER for volume. Label your material honestly before you use it: mark each item as unseen, attempted once, or contaminated by prior review. The few official Royal College resources are your scarcest asset — keep them unseen for late calibration. PEER, by contrast, is abundant but US-calibrated, so it functions as a calibration and breadth instrument rather than an authoritative RCPSC source. Do not confuse the two.
Choose the calibration date
Time the sitting late enough to be meaningful but early enough to act on. For most candidates that is roughly four to six weeks out — before the final month, as the title says — so that a full timed block reflects near-final knowledge while leaving room to correct the weaknesses it reveals. A calibration mock done too early measures an unfinished candidate; done in the last fortnight it produces anxiety without time to respond. Pick one date, protect it, and treat it as a dress rehearsal.
Reproduce exam conditions exactly
A calibration sitting only calibrates if the conditions match. Use a single-best-answer block of a realistic length in one sitting, timed to a sensible per-item pace, with no references open, no pausing to look things up, and only the breaks the real exam allows. Answer in the same format you will face. The value of the sitting is not the score but the honest read on pacing, stamina and decision-making under time — none of which you get from untimed, reference-assisted practice.
Code every error, not just the subject
After the sitting, resist the urge to file each miss under a topic and move on. Code every error three ways: by clinical domain, by cognitive process (knowledge gap, misread, faulty reasoning, or a pacing-driven guess), and by format (did the question style itself trip you). Then add a fourth code unique to using a US bank for a Canadian exam: localisation. Flag any item whose "correct" answer depends on United States drug branding, EMS or systems structure, medicolegal norms, disposition conventions or epidemiology that differ in Canada. This four-way coding is what turns a US mock into useful Canadian preparation.
Map errors to fresh practice and localise
Route each coded error to the right fix while keeping your scarce official material out of daily repetition. Knowledge gaps go to targeted reading and fresh unseen items; reasoning errors go to more varied vignettes; pacing errors go to more timed blocks. Localisation flags get their own list: for each, write the Canadian version of the fact and drill that, rather than memorising the US specific. Do your daily unseen retrieval in Canadian framing on iatroX so you are measuring transfer, not re-answering PEER items you have already seen. Repeat the full calibration only with genuinely unseen material — a fresh released sample or a new mock — never by re-sitting a contaminated block.
Worked example: a seven-day plan for a busy trainee
Give PEER one job — the calibration sitting and its targeted review — and use iatroX for daily unseen transfer measurement. Suppose Dr Nguyen is five weeks out and working clinically.
- Monday: the one-sitting PEER calibration mock under exact conditions; do not review yet.
- Tuesday: code every error four ways — domain, cognitive process, format and localisation.
- Wednesday: targeted reading on the two weakest domains; write the Canadian version of every localisation flag.
- Thursday: a fresh 30-item unseen iatroX block in Canadian framing, timed, coded by domain.
- Friday: more timed blocks on any domain where pacing, not knowledge, was the problem.
- Saturday: a second unseen iatroX block to measure whether Wednesday's reading transferred.
- Sunday: update the error log; begin structured preparation for the Applied component, which no MCQ bank addresses.
PEER provides the one-sitting calibration and breadth; iatroX provides the unseen Canadian-framed measurement. No proprietary-algorithm claim is made — the discipline is fresh items, timed and coded. And the Sunday line is deliberate: the Applied examination needs its own spoken, case-based practice that neither product supplies.
Decision checklist: continue, supplement, switch or stop
Continue using PEER for breadth and as a calibration instrument if your knowledge errors still outnumber your localisation flags. Supplement it always with Canadian-framed unseen measurement and with dedicated Applied-exam practice, because PEER covers neither. Switch your emphasis away from PEER once localisation flags start to dominate your error log — at that point a US bank is teaching you US specifics you must then unlearn, and Canadian-context practice serves you better. Stop buying additional US mock content when your written knowledge is calibrated and your remaining risk is the Applied component. Decide on your coded error pattern, not on the reassurance of a large question count.
Bottom line
ACEP PEER is a US-calibrated, multiple-choice-only resource that can serve a Royal College candidate as a single calibration instrument, provided you audit every localisation flag and prepare the Applied examination entirely elsewhere. Use it once, under exact exam conditions, four to six weeks out; code the errors four ways; localise the flags into their Canadian versions; and measure daily transfer on unseen Canadian-framed items. It is a calibration tool, not a Canadian syllabus, and it is certainly not a substitute for the separate oral component that decides so much of the Royal College result. Placed correctly, it is genuinely useful; mistaken for an RCPSC bank, it will mislead you.
Frequently asked questions
Is ACEP PEER enough for RCPSC Emergency Medicine on its own? No. PEER is US-calibrated for the ABEM pathway, is multiple-choice only, and mentions no RCPSC alignment, so on its own it cannot prepare you for the Canadian written component's localisation or for the separate Applied examination at all. It is a strong breadth and calibration instrument for the shared clinical knowledge, but you must add Canadian-framed practice and dedicated Applied-exam preparation. Used as your only resource, it will leave two of your biggest risks untouched.
Which RCPSC Emergency Medicine component does ACEP PEER not reproduce well? It does not reproduce the Applied examination at all — the oral or OSCE-style component is outside anything an MCQ bank does — and it only partially reproduces the written component, because its items are calibrated to United States practice rather than Canadian. So the honest answer is both: the Applied component entirely, and the Canadian-specific layer of the written component. Verify the current structure of both components on royalcollege.ca.
How many ACEP PEER questions should I complete per day for RCPSC Emergency Medicine? In this protocol PEER is used as a one-sitting calibration mock rather than a daily quota, so the more useful figure is your daily unseen retrieval around it — for most candidates one or two fully reviewed blocks of 20 to 40 items. If you do use PEER for breadth outside the calibration sitting, keep enough material unseen to make the calibration meaningful, and treat total-question figures as vendor-reported and verify them. Reviewing errors well matters far more than the daily count.
When should I stop using ACEP PEER and move to mixed mocks? Move to mixed, Canadian-framed mocks once your PEER calibration and its review show that localisation flags, rather than raw knowledge gaps, dominate your errors. At that point more US single-topic drilling has diminishing value, and integrated mixed practice in Canadian framing plus Applied-exam preparation is the better use of your final weeks. Reserve any genuinely unseen official material for a late dress rehearsal rather than exhausting it early.
How should I combine ACEP PEER with iatroX without duplicating practice? Keep the jobs separate: PEER for the one-sitting calibration and breadth, iatroX for daily unseen transfer measurement in Canadian framing. Never re-answer PEER items inside iatroX or the reverse, which inflates your percentage without adding learning. Route fresh retrieval to iatroX, reserve PEER for the calibration sitting and targeted review, and follow the two-Q-bank principle of adding coverage rather than repetition — with the added Canadian localisation step that a US bank makes necessary.
Editorial notes and references
Written by Dr Kolawole Tytler, NHS GP and founder of iatroX. Last checked 20 July 2026. RCPSC exam-format details are from the Royal College, whose exact counts and session structure are not published on an accessible page and should be verified on royalcollege.ca; PEER's question counts, prices, CME credits and access period are ACEP-reported and change, so verify them on acep.org. Disclosure: iatroX operates a competing emergency-medicine written-knowledge bank and Socratic Tutor; this article confines the iatroX role to unseen written-knowledge measurement, and states plainly that iatroX does not reproduce the RCPSC Applied or oral component. Corrections are welcome via the feedback route on iatrox.com.
References: RCPSC, Format of the Examination in Emergency Medicine (royalcollege.ca); ACEP PEER product and pricing pages (acep.org; aceplearn.acep.org); iatroX Canada hub (https://www.iatrox.com/canada); iatroX comparison hub (https://www.iatrox.com/compare); Your Q-Bank Percentage Is Not Your Exam Score (https://www.iatrox.com/blog/qbank-percentage-not-your-exam-score); the two-Q-bank rule (https://www.iatrox.com/blog/the-two-q-bank-rule-how-to-add-a-second-bank-without-duplicating-questions-or-destroying-calibration).
Run a fresh timed RCPSC Emergency Medicine block in iatroX →