The critical resource for nurses.
Practical, no-fluff guides, free practice questions, and bedside tools — sourced, nurse-reviewed, and grounded in real bedside practice.
ABG Interpreter
pH, PaCO₂, HCO₃⁻ → the acid-base call with compensation — plus anion gap, albumin correction, and delta ratio when you add electrolytes.
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Practice for the exam you're taking
NCLEX
Short practice sets that explain every option, not just the correct one.
SCRN®
A stroke certification question bank on the ABNN blueprint, current with the 2026 AHA/ASA guideline.
CCRN®
Critical care questions on the AACN blueprint: hemodynamics, vents, drips, and multisystem care.
CMSRN®
Med-surg certification questions on the MSNCB blueprint, organized by body system.
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Guides & explainers
Latest articles
CCRN Pass Rate 2025: What the Numbers Actually Mean
The 2025 CCRN (Adult) first-time pass rate was 72.02% across 17,151 candidates — down from 81% in 2023. Here's what drove the drop, what the November 2025 cut-score change means, and how worried you should actually be.
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CCRN vs PCCN: Which Critical-Care Certification Is Right for You?
CCRN and PCCN are both AACN certifications, but they're for different patients and different units. A clear comparison of patient population, eligibility hours, exam format, and how to choose the one that matches where you actually work.
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How to Study for the CCRN: A Plan That Actually Works
A practical, four-step CCRN study plan built around the AACN blueprint — how to map the exam, drill the systems your unit doesn't expose you to, use practice questions the right way, and simulate the real 150-item exam.
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Neuro Checks: Documenting Them Defensibly
A neuro check is only as good as the record it leaves. How to chart level of consciousness, pupils, motor, speech, and vitals so the trend is obvious, the change is caught, and the documentation holds up — with the specific phrasing that beats 'neuro checks stable.'
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New Nurse on a Stroke Unit: The First 90 Days
A realistic, phase-by-phase guide to your first three months on a stroke or neuro unit — what to master first, what can wait, and how to build the assessment instincts that make the rest click. Written for new grads and nurses transferring in.
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NIHSS Scoring Walkthrough: The 11 Items, With Original Practice Scenarios
A plain-language walk through all 11 NIH Stroke Scale items, the scoring rules people miss, and three original written scenarios to practice on — built to teach the method, not to leak copyrighted test content.
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