Explain me 10 common heart diseases with ECG changes and ECG images of those diseases
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ECG electrocardiogram myocardial infarction ST elevation
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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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Wolff-Parkinson-White WPW syndrome ECG delta wave short PR
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left bundle branch block LBBB ECG broad QRS
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hypertrophic cardiomyopathy ECG left ventricular hypertrophy
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pericarditis ECG saddle-shaped ST elevation diffuse
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long QT syndrome ECG prolonged QT interval torsades de pointes
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Brugada syndrome ECG coved ST elevation V1 V2 V3
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pulmonary embolism ECG S1Q3T3 right heart strain sinus tachycardia
The guide above covers 10 major heart diseases with detailed ECG changes and real ECG images from peer-reviewed medical literature. Here's a brief overview of what was covered:
- STEMI — Convex ST elevation localizing to a coronary territory, with reciprocal changes and evolving Q waves
- Atrial Fibrillation — Absent P waves replaced by fibrillatory baseline; irregularly irregular rhythm
- Complete AV Block — Full AV dissociation with independent atrial and ventricular pacemakers
- Ventricular Tachycardia — Wide-complex tachycardia with AV dissociation and concordance
- WPW Syndrome — Short PR + delta wave + wide QRS (pre-excitation triad)
- LBBB — Wide QRS with M-shaped lateral R waves and deep right precordial QS complexes
- Hypertrophic Cardiomyopathy — LVH criteria + lateral Q waves or giant T-wave inversions (apical variant)
- Acute Pericarditis — Diffuse saddle-shaped ST elevation + PR depression (Spodick's sign)
- Long QT Syndrome — Prolonged QTc > 450–500 ms, T-wave alternans, Torsades de Pointes
- Brugada Syndrome — Coved ST elevation ≥2 mm in V1–V2 with inverted T-wave (Type 1 pattern)
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