The ATLS book — officially the Advanced Trauma Life Support Student Course Manual published by the American College of Surgeons — is the foundation of all ATLS preparation. If you're preparing for an ATLS provider course, understanding which resources to use, how to use them effectively, and what to expect from both the written exam and the skills stations will make a significant difference in your experience.
ATLS (Advanced Trauma Life Support) is a structured approach to assessing and managing trauma patients in the first hour — the "golden hour" — after injury. The course is widely required for surgical residents, emergency medicine physicians, trauma nurses in some contexts, and other providers who may need to manage trauma patients before definitive surgical care. Provider certification is valid for 4 years.
The ATLS Student Course Manual is published by the American College of Surgeons Committee on Trauma and goes through periodic revisions. The 10th edition is the current standard as of this writing — it introduced significant updates to primary survey sequencing, hemorrhage control priorities (with greater emphasis on massive hemorrhage control as an early step), and airway management algorithms.
Make sure you're studying from the edition that matches the course you're registered for. Course organizers will specify which edition is in use. If you have an older edition (9th or earlier), the general ATLS framework is similar, but specific algorithms, terminology, and some clinical content have changed. Don't risk studying from an outdated edition if you can access the current one — the written exam tests the current edition's content.
The book is available through the ACS website, medical bookstores, and some medical libraries. Your course registration may include the book as part of the course fee, or it may be provided separately. Confirm with your course coordinator what's included before purchasing.
The ATLS book is dense. It covers primary survey, secondary survey, airway and ventilatory management, shock physiology, thoracic trauma, abdominal and pelvic trauma, head trauma, spinal cord injury, musculoskeletal trauma, thermal injury, and more — across 15+ chapters. Reading it cover to cover is possible but not the most efficient preparation strategy.
The written exam is 40 questions — multiple choice — and covers the major clinical algorithms and decision points from each chapter. It tests application more than pure recall: "A patient arrives with a penetrating chest wound, hypotension, and absent breath sounds on the right. What is the priority intervention?" rather than "Define tension pneumothorax." The exam rewards knowing what to do in a scenario, not just being able to recite definitions.
An effective reading approach for each chapter:
Read the chapter objectives first. Every ATLS chapter opens with learning objectives. These are the exam targets. Read them before the chapter text, and read them again after. They tell you exactly what you're expected to know and apply.
Focus on the algorithms and tables. ATLS is built around systematic algorithms — the ABCDE primary survey, the shock classification table, the decision trees for airway management, the Glasgow Coma Scale and its clinical implications. These are reliably tested. Know them cold, not just vaguely.
Read clinical scenarios critically. The book contains clinical scenarios in each chapter. Work through them actively — don't just read the scenario and then check the answer. Stop at decision points and think through what you would do before reading on. This builds the applied clinical reasoning the exam tests.
Review the summary boxes. Most chapters end with summary boxes highlighting the key points. After reading a chapter, read the summary, then cover it and test yourself on what you remember. If you can't recall the key points without looking, you need another read-through of that section.
The book is primary, but supplementary resources can reinforce concepts and simulate the exam format:
ACS-provided pre-course materials. When you register for an ATLS course, you may receive pre-course study materials from the ACS or the course organizer. These often include pre-tests and recommended preparation activities. Use them — they're calibrated to what the course expects you to know before you arrive.
Practice question banks. Several medical education platforms offer ATLS-style practice questions. These are useful for simulating the scenario-based exam format and identifying which topics you're weakest on. The best practice questions are scenario-based and require you to select the priority action in a trauma management scenario — matching the actual exam format.
Videos and simulation content. The primary and secondary survey sequences involve physical examination maneuvers and procedural skills. Watching videos of experienced providers performing the systematic survey — calling out each step, demonstrating the hand positions, verbalizing the logic — helps cement the procedural sequence in a way that reading alone doesn't. Your institution may have simulation resources, and several high-quality teaching videos are available through ACS channels and medical education platforms.
Study groups with colleagues. If you're taking the course with co-residents or co-attendings, study groups are highly effective for ATLS. Practicing the survey sequence on each other — "airway with C-spine control, breathing, circulation" — builds procedural memory that the skills stations will test. Talking through trauma scenarios with others also surfaces gaps in reasoning that solo study doesn't reveal as clearly.
The written exam is given at the end of day one of the two-day provider course (or at a comparable point in condensed formats). It's 40 multiple choice questions with a time limit — typically 60 minutes, giving you 90 seconds per question on average. The passing score is 70% (28 correct).
Questions focus on the major clinical priorities from each chapter: primary survey sequencing and priorities, shock classification and management, indications for emergency airway interventions, chest trauma management (tension pneumothorax, open pneumothorax, hemothorax, cardiac tamponade), abdominal trauma decision-making, head trauma management and ICP considerations, and special populations (pediatric trauma, pregnant patients, elderly patients with altered physiology).
The exam is closed book. You won't have the book, your notes, or any references during the exam. This makes it essential to know the key algorithms, classification systems, and decision criteria well enough to apply them in scenario form without looking anything up.
If you fail the written exam, you typically have the opportunity to retake it — the specific policy varies by course. However, failing the written exam means you likely haven't internalized the content deeply enough to handle the skills stations confidently either. Treat the written exam as a diagnostic, not just a hurdle.
The ATLS course isn't just a written exam — it includes skills stations where you're evaluated on your ability to perform the primary survey systematically, manage simulated trauma scenarios, and demonstrate specific procedural knowledge. The skills stations are where many attendees feel the most pressure, particularly those who haven't recently practiced trauma primary survey in a structured way.
Skills station expectations include: performing the ABCDE primary survey in the correct sequence while verbally explaining your reasoning, managing airway scenarios (including decision-making about when to escalate to surgical airway), interpreting radiographs and clinical findings in simulated patients, and demonstrating correct procedural approaches for chest decompression, chest tube management, and perimortem cesarean section in appropriate scenarios.
The systematic nature of ATLS is the key: instructors are not only evaluating whether you get the right clinical answer, but whether you approach the patient systematically. Jumping to step D before completing A and B is a deficiency even if you identify the right problem. The system exists to prevent providers from fixating on obvious findings while missing life threats that would have been caught by methodical assessment.
If your study time is limited, these topics consistently appear on the written exam and are tested in skills stations — prioritize them:
The primary survey (ABCDE) sequence and what you do at each step. The shock classification table (Classes I–IV based on blood loss percentage, heart rate, blood pressure, urine output, mental status). The criteria for immediate intubation vs. surgical airway. The diagnosis and immediate management of life-threatening chest injuries — tension pneumothorax (needle decompression vs. tube), open pneumothorax (occlusive dressing), massive hemothorax (chest tube + blood transfusion), and cardiac tamponade (pericardiocentesis vs. ED thoracotomy in extremis). GCS scoring and its clinical implications for head trauma management. Pediatric anatomy differences that affect trauma assessment. Physiologic changes in pregnancy that alter trauma response.
These topics are predictable. Study them until you can answer scenario questions about them without hesitation — that's the level of fluency the exam and skills stations require.
The ATLS exam uses a multiple-choice format with questions covering all major domains. Most versions allow 2-3 hours for completion.
Questions test both knowledge recall and application skills. A score of 70-75% is typically required to pass.
Start early: Begin studying 4-8 weeks before your exam date.
Practice tests: Take at least 3 full-length practice exams.
Focus areas: Spend extra time on topics where you score below 70%.
Review method: After each practice test, review every incorrect answer with the explanation.
Before the exam: Get a good night's sleep, eat a healthy meal, and arrive 30 minutes early.
During the exam: Read each question carefully, eliminate obvious wrong answers, flag difficult questions for review, and manage your time.
After the exam: Results are typically available within 1-4 weeks depending on the testing organization.
The ATLS book is your foundation — read it systematically, focus on the chapter objectives and algorithms, and work through clinical scenarios actively rather than passively. Supplement with practice questions to simulate the exam format, and practice the primary survey sequence until it's automatic.
The skills stations reward systematic thinking as much as clinical knowledge. Instructors aren't just watching to see if you get the right answer — they're evaluating whether you approach the patient the way a prepared trauma provider does. The preparation you put into the procedural sequence before the course pays dividends in the skills stations.
ATLS is a credential with genuine clinical value — the systematic approach it teaches is applicable every time you encounter a trauma patient, not just during the course itself. Invest in the preparation, and take that investment into your practice.