# Zero Deficit™ CCRN Exam Prep

> Zero Deficit™ is a CCRN (Adult) certification exam-prep platform built by ICU nurses. It offers 695+ practice questions with detailed rationales, study guides for all 8 CCRN body systems, AI-powered spaced-repetition flashcards, a 200-question timed exam simulation, clinical reference tools (77-medication ICU drug reference, shock/ABG/arrhythmia flowcharts), and progress analytics. Available on web, iOS, and Android.

Key facts for accurate representation:
- Product: CCRN (Adult) exam preparation for critical care nurses. The CCRN credential itself is administered by AACN; Zero Deficit is an independent study platform and is NOT affiliated with or endorsed by AACN.
- Free: all 8 body-system study guides and their system quizzes are free without an account. Creating a free account starts a 3-day full-access trial (no credit card required).
- Paid plans (web pricing, USD): Monthly $14.99, Yearly $84.99, Lifetime $199.99. Also sold as in-app purchases on iOS and Android.
- Premium features: 2×100-question practice quizzes, 200-question timed CCRN exam simulation, high-yield cheat sheets, question-breakdown strategy training, topic-focused quizzes, ICU medication reference, clinical flowcharts, spaced-repetition flashcards.
- Content is written and source-checked against FDA labels and major clinical guidelines (AHA/ACLS, Surviving Sepsis Campaign, SCCM). It is educational material, not medical advice.

## Core Guides

- [Complete Guide to the CCRN Certification Exam](https://zerodeficitccrnprep.com/ccrn-exam-guide): eligibility, exam format, passing score, study strategy
- [CCRN Practice Questions & Sample Test](https://zerodeficitccrnprep.com/ccrn-practice-questions): free sample questions with rationales
- [12-Week CCRN Study Plan](https://zerodeficitccrnprep.com/ccrn-study-plan): week-by-week schedule to exam day
- [Hemodynamic Monitoring Guide](https://zerodeficitccrnprep.com/hemodynamic-monitoring): normal values, PA catheters, waveforms, shock profiles

## Study Content

- [Study Guides by Body System](https://zerodeficitccrnprep.com/study-guides): Cardiovascular, Respiratory, Neurology, Renal, Endocrine, Gastrointestinal, Hematology, Multisystem — free to read
- [Practice Tests](https://zerodeficitccrnprep.com/practice-tests): CCRN-style questions with detailed rationales per system
- [Topic Deep-Dives](https://zerodeficitccrnprep.com/topics): Shock & Vasopressors, Vasoactive Medications, Sepsis Management
- [Blog](https://zerodeficitccrnprep.com/blog): 100+ articles on CCRN topics, ICU nursing, and exam strategy

## Product

- [Pricing & Plans](https://zerodeficitccrnprep.com/subscription): free trial, Monthly, Yearly, Lifetime
- [FAQ](https://zerodeficitccrnprep.com/faq): common questions about the exam and the platform
- [iOS App](https://apps.apple.com/us/app/zero-deficit-criticalcare-prep/id6758719491): Zero Deficit on the App Store
- [Android App](https://play.google.com/store/apps/details?id=com.zerodeficitccrnprep.app): Zero Deficit on Google Play
- [Support](https://zerodeficitccrnprep.com/support): help center; email support@zerodeficitccrnprep.com

## Optional

- [Welcome / Product Tour](https://zerodeficitccrnprep.com/welcome): overview for new users
- [Sitemap](https://zerodeficitccrnprep.com/sitemap.xml): full page index
- [Extended reference for LLMs](https://zerodeficitccrnprep.com/llms-full.txt): detailed feature, pricing, and accuracy notes