Free Resources

Clinical quick-reference sheets and research literacy guides — free to view and download, no account required. Built for APPs practicing in cardiology and advanced practice.

Featured Download

12-Lead EKG Field Guide

Rate → Rhythm → Axis → Hypertrophy → Ischemia

A complete 12-lead ECG interpretation guide built with real PTB-XL clinical tracings. Covers systematic approach, axis calculation, bundle branch blocks, ST changes, and hypertrophy patterns.

Interactive

ECG Modules

9 modules & cases — free with account

Self-paced ECG interpretation modules with real tracings, systematic review, and interactive cases. Rate, rhythm, axis, hypertrophy, and ischemia/MI patterns.

Free account required — takes 30 seconds to create.

Start ECG Modules

Clinical Quick-Reference

Decision-support sheets for common cardiology conditions — targets, drug selection, thresholds, and staging at a glance.

Hypertension Management Targets, Drug Selection, and Special Populations
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Atrial Fibrillation — Rate, Rhythm, and Anticoagulation The Three Decisions Every APP Must Make
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GDMT — The Four Pillars of HFrEF Therapy Get All Four on Board. Get to Target.
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QTc Prolongation Thresholds, Culprit Drugs, and When to Act
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CKD Staging and Drug Dosing Implications When to Adjust, When to Stop, When to Worry
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Heart Failure Staging — ACC/AHA vs NYHA Two Systems, One Patient — How They Work Together
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Research & Practice Literacy

Guides to reading studies, interpreting statistics, and understanding the evidence that drives clinical guidelines.

How to Read an ACC/AHA Guideline Recommendation Lesson 4 Supplement — Cardiovascular Pharmacology
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Sensitivity, Specificity, PPV, and NPV Understanding Diagnostic Test Performance
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Absolute Risk, Relative Risk, NNT, and NNH Reading Past the Headline Number
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Confidence Intervals and P-Values What They Mean — and What They Do Not
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Pretest Probability — Why Positive Tests Lie Bayes Without the Math
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How to Read a Scientific Study PICO, Study Design, and the Numbers That Matter
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How American Healthcare Is Funded Medicare, Medicaid, Insurance, and How Providers Get Paid
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Diagnostic Reasoning — The Four Errors and the Fix Why Smart Clinicians Miss, and the Evidence-Based Counter-Moves
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