CMC Exam Format and Content Areas: Official Outline

October 31, 2026 · Alex S. · reviewed by Hana N., Quality Reviewer · how we write

What is the CMC exam and who is it for?

The CMC (Cardiac Medicine Certification) exam is a specialty certification for registered nurses who care for acutely ill cardiac patients. It is administered by the AACN Certification Corporation. The exam validates knowledge in cardiac medicine, including assessment, diagnosis, and management of cardiovascular conditions. The credential is distinct from the PCCN and CCRN, focusing specifically on adult cardiac patients. This article explains the CMC exam format, content areas, and scoring based on the official outline, and provides practical steps to prepare.

What is the format of the CMC exam?

The CMC exam consists of 90 multiple-choice questions. Of these, 75 are scored and 15 are unscored (pretest items). The unscored questions are not identified on the exam, so you should treat every question as if it counts. You have 2 hours to complete the exam. The passing score is 50 out of the 75 scored questions correct. This cut score has been in effect since June 1, 2022, and is a raw number, not a percentage. The exam is delivered at testing centers or via live remote proctoring; check the AACN website for current delivery options.

The exam is computer-based and follows a linear format, meaning you can move back and forth between questions and change answers within the allotted time. There is no penalty for guessing, so you should answer every question. The exam includes a brief tutorial before the timed section begins.

What content areas are covered on the CMC exam?

The CMC exam blueprint is organized into two main dimensions: patient conditions and nursing interventions. The official outline from AACN provides the detailed breakdown. Below is a summary of the major content areas, based on the most recent published outline.

Patient Conditions

This dimension covers the cardiovascular conditions you will encounter in acute care. The outline lists specific conditions, each with a percentage range indicating the proportion of scored questions. The major categories include:

Acute coronary syndromes (ACS): Includes unstable angina, NSTEMI, and STEMI. Questions may cover assessment, diagnosis, and management, including reperfusion strategies.
Heart failure: Includes acute decompensated heart failure and chronic heart failure. Emphasis on assessment, pharmacologic management, and mechanical support.
Cardiomyopathies: Dilated, hypertrophic, and restrictive cardiomyopathies, with a focus on assessment and management.
Valvular heart disease: Aortic stenosis, mitral regurgitation, and other valve disorders. Includes indications for intervention and postoperative care.
Dysrhythmias: Atrial fibrillation, ventricular tachycardia, heart blocks, and other rhythm disturbances. Includes interpretation and management.
Cardiac surgery and procedures: CABG, valve replacement, and other surgical interventions. Includes preoperative and postoperative care.
Other cardiac conditions: Pericarditis, endocarditis, pulmonary hypertension, and aortic dissection.

Each condition is further detailed with specific assessment findings, diagnostic tests, and management strategies. For example, under ACS, you should know the criteria for STEMI diagnosis, the timing for reperfusion, and the medications used.

Nursing Interventions

This dimension describes the actions nurses take in caring for cardiac patients. It includes:

Assessment: Physical assessment, including heart sounds, lung sounds, and hemodynamic monitoring. Also includes interpretation of ECG and laboratory data.
Monitoring and surveillance: Continuous ECG monitoring, hemodynamic monitoring, and recognition of complications.
Pharmacologic management: Administration and monitoring of medications such as antiplatelets, anticoagulants, beta-blockers, ACE inhibitors, and diuretics.
Interventions: Procedures such as defibrillation, cardioversion, and pacemaker management. Also includes patient education and discharge planning.
Coordination of care: Collaboration with the interdisciplinary team, including physicians, pharmacists, and rehabilitation specialists.

The official outline provides a detailed list of topics under each intervention category. You should obtain the full outline from the AACN website to guide your study.

How is the CMC exam scored?

The CMC exam is scored based on the number of correct answers on the 75 scored questions. There is no penalty for incorrect answers. The passing score is 50 correct out of 75. This is a criterion-referenced exam, meaning your score is compared to a standard, not to other test-takers. The cut score was set by a panel of subject matter experts and has been in effect since June 1, 2022. You will receive a pass/fail result, and if you do not pass, you will receive a score report showing your performance in each content area. This report can guide further study.

For more details on scoring and to access the official handbook, visit the AACN exam statistics and scores page: https://www.aacn.org/certification/preparation-tools-and-handbooks/exam-stats-and-scores.

How should you prepare for the CMC exam?

Preparation should be systematic and focused on the official outline. Here is a step-by-step approach:

Obtain the official outline and handbook. Download the CMC exam handbook and detailed content outline from the AACN website. This is your primary source for exam structure and content.
Assess your knowledge gaps. Use the outline to rate your confidence in each topic. Focus on areas where you have less experience or knowledge.
Create a study schedule. Allocate time based on the weight of each content area. For example, if ACS represents a larger percentage, spend more time on it. Aim for consistent study sessions over several weeks.
Use multiple resources. Textbooks, review courses, and practice questions are all valuable. Ensure that practice questions are aligned with the CMC exam format and difficulty. The exam is multiple-choice with four options, so practice with similar formats.
Take practice tests. Simulate the exam experience by taking timed practice tests. This helps you build stamina and identify areas needing improvement. Review your answers thoroughly, especially the ones you got wrong.
Focus on application. The CMC exam tests clinical judgment, not just recall. Practice applying knowledge to case scenarios. For example, given a patient with chest pain and ST elevation, what are the immediate priorities?
Review lab values and ECG interpretation. These are core skills for cardiac nurses. Ensure you can quickly interpret common dysrhythmias and recognize ischemic changes.
Join a study group or find a study partner. Discussing cases and quizzing each other can reinforce learning.

Common mistakes include relying solely on memory without understanding concepts, neglecting less familiar content areas, and not practicing enough application questions. Avoid cramming; spaced repetition is more effective.

What are the key content areas to focus on?

Based on the official outline, some topics appear more frequently. While the exact percentage varies, you should prioritize:

Acute coronary syndromes: Understand the difference between unstable angina, NSTEMI, and STEMI, including ECG changes and biomarker criteria. Know the recommended timelines for reperfusion and the medications used.
Heart failure: Differentiate between systolic and diastolic heart failure, and know the acute management of decompensated heart failure, including diuretics, vasodilators, and inotropes.
Dysrhythmias: Be able to identify and manage common rhythms such as atrial fibrillation, ventricular tachycardia, and heart blocks. Know when to use medications versus electrical therapy.
Hemodynamic monitoring: Understand the parameters (CVP, PAP, PCWP, CO) and how to interpret them in different conditions.
Pharmacology: Know the indications, mechanisms, and adverse effects of cardiac medications.

A mini checklist for each topic: Can you explain the pathophysiology? Can you list the assessment findings? Can you describe the management? Can you identify complications? If you can answer these for each condition, you are well prepared.

How can you use practice questions effectively?

Practice questions are a tool for learning, not just assessment. When you answer a question, read the rationale for all options, even the correct one. Understand why the wrong answers are wrong. Group questions by content area to identify patterns. For example, if you consistently miss questions on valvular disease, review that topic in depth. Use a timer to simulate exam pace: 90 questions in 2 hours means about 1 minute and 20 seconds per question. This pace allows time for reading and reasoning.

What resources are recommended for CMC preparation?

In addition to the official AACN resources, consider a comprehensive study guide that aligns with the exam outline. For example, Independent CMC Cardiovascular Content Mastery is a study guide designed to cover the content areas of the CMC exam. It includes content review, practice questions, and explanations. You can find it at /cmc-exam-study-guide. Pair such resources with the official outline to ensure complete coverage.

Frequently Asked Questions

How many questions are on the CMC exam?

There are 90 multiple-choice questions: 75 scored and 15 unscored.

How long is the CMC exam?

The exam is 2 hours long.

What is the passing score for the CMC exam?

The passing score is 50 out of 75 scored questions correct. This cut score has been in effect since June 1, 2022.

What content areas are on the CMC exam?

The exam covers patient conditions (e.g., ACS, heart failure, dysrhythmias) and nursing interventions (e.g., assessment, pharmacologic management). See the official AACN outline for details.

Can I use a calculator on the CMC exam?

No, calculators are not provided. You should be able to perform basic calculations.

How do I register for the CMC exam?

Registration is handled through AACN. Visit their website for eligibility requirements and application process.

For the most current and detailed information, always refer to the official AACN CMC exam handbook and content outline. The AACN website provides the authoritative source for exam structure, content, and scoring.

Official sources

Verified on October 10, 2026 against the sources above.

CMC Exam Format and Content Areas: Official Outline Explained