The Fifth Universal Definition of Myocardial Infarction: what changes for ECG readers
What the Fifth Universal Definition of Myocardial Infarction (2026) changes on the ECG: ischemia criteria, STEMI equivalents, Q waves, extra leads.
Blog
The Aprenda ECG blog
Practical articles on ECG interpretation: patterns, clinical reasoning and the latest from the literature.
ECG challenges
ECG Challenge 8: What Is the Cause of This Wide QRS Tachycardia?
Jul 20, 2026 · 2 min read
Chamber enlargement and hypertrophy
Why does the ECG fail to detect left ventricular hypertrophy?
Jul 13, 2026 · 5 min read
Miscellaneous
How Artificial Intelligence Applied to the ECG Can Estimate Left Ventricular Ejection Fraction
Jun 29, 2026 · 6 min read
ECG challenges
ECG Challenge 7: Does This ECG Show Complete AV Block?
Jun 22, 2026 · 2 min read
Miscellaneous
The Athlete's ECG: What Is Physiological Adaptation and What Is a Warning Sign
Jun 8, 2026 · 10 min read
Tachyarrhythmias
Wide QRS Tachycardias: Why Is Differentiating VT from Preexcited SVT Still an Unsolved Problem?
Jun 1, 2026 · 7 min read
ECG challenges
ECG Challenge 6: Significant Bradycardia in a Symptomatic Patient: Where Is the Block?
May 18, 2026 · 2 min read
Coronary artery disease
Conduction Disturbances in Acute Myocardial Infarction
May 11, 2026 · 7 min read
Tachyarrhythmias
Management of Pre-excited Atrial Fibrillation: Rapid Decisions in the Emergency Department
Apr 27, 2026 · 5 min read
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