Explain me 10 common heart diseases with ECG changes and ECG images of those diseases
Reading File
Finding Sources
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ECG electrocardiogram myocardial infarction ST elevation
Finding Sources
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atrial fibrillation ECG irregularly irregular rhythm
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heart block complete AV block ECG third degree
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ventricular tachycardia ECG wide complex tachycardia
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left ventricular hypertrophy ECG high voltage
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Wolff-Parkinson-White syndrome ECG delta wave short PR
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pericarditis ECG saddle-shaped ST elevation diffuse
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pulmonary embolism ECG S1Q3T3 right heart strain
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long QT syndrome ECG prolonged QT interval Torsades de Pointes
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hypertrophic cardiomyopathy ECG deep Q waves ST changes
Here's a complete breakdown of 10 common heart diseases with their ECG changes and real ECG images:
What's Covered:
| # | Disease | Hallmark ECG Finding |
|---|---|---|
| 1 | Anterior STEMI | Convex ST elevation V1–V4, reciprocal depression, tombstone morphology |
| 2 | Inferior STEMI | ST elevation II, III, aVF; reciprocal changes in I, aVL |
| 3 | Acute Pericarditis | Diffuse concave (saddle-shaped) ST elevation + PR depression (differentiates from STEMI) |
| 4 | Atrial Fibrillation | No P waves → fine fibrillatory baseline, irregularly irregular R-R intervals |
| 5 | Complete AV Block | P waves and QRS march independently (AV dissociation), slow ventricular escape |
| 6 | Ventricular Tachycardia | Wide QRS ≥120 ms, AV dissociation, concordance in precordial leads |
| 7 | WPW Syndrome | Short PR + delta wave + widened QRS — the classic triad |
| 8 | LVH | High voltage (Sokolow-Lyon ≥35 mm) + lateral strain pattern (ST depression + T inversion) |
| 9 | Pulmonary Embolism | Sinus tachycardia + S1Q3T3 + right precordial T-wave inversions |
| 10 | Long QT / Torsades | QTc >500 ms + polymorphic VT with twisting QRS morphology |
Each section includes the underlying mechanism, specific lead-by-lead ECG changes, a summary table, and an annotated real ECG image sourced from peer-reviewed medical literature. Let me know if you'd like a deeper dive into any specific condition, treatment implications, or ACLS algorithms!
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