Explain me 10 common heart diseases with ecg changes and ecg images of those diseases.
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ECG changes myocardial infarction ST elevation
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atrial fibrillation ECG irregular rhythm no P waves
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heart block complete AV block ECG P waves QRS dissociation
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ventricular tachycardia ECG wide QRS complex
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left ventricular hypertrophy ECG voltage criteria tall R waves
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pulmonary embolism ECG S1Q3T3 right heart strain
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Wolff-Parkinson-White syndrome ECG delta wave short PR interval
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pericarditis ECG saddle-shaped ST elevation diffuse
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hypertrophic cardiomyopathy ECG deep Q waves left ventricular hypertrophy
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long QT syndrome ECG prolonged QT interval Torsades de Pointes
Here's a complete guide to 10 common heart diseases with ECG changes and real ECG images from peer-reviewed medical literature:
The guide covers:
- STEMI — Convex ST elevation, hyperacute T waves, Q waves, reciprocal changes (anterior + inferior ECG images shown)
- Atrial Fibrillation — Absent P waves, irregularly irregular rhythm, fibrillatory baseline
- Complete AV Heart Block — P-QRS dissociation, slow escape rhythm, wide QRS
- Ventricular Tachycardia — Wide complex tachycardia, AV dissociation, concordance
- LVH / Hypertensive Heart Disease — Sokolow-Lyon voltage criteria, lateral strain pattern
- Pulmonary Embolism — S1Q3T3, sinus tachycardia, right ventricular strain (two ECG examples)
- WPW Syndrome — Short PR, delta wave, widened QRS, secondary ST-T changes
- Acute Pericarditis — Diffuse concave ST elevation, PR depression (differentiating from STEMI)
- Hypertrophic Cardiomyopathy — Deep Q waves (septal), giant T-wave inversions in apical variant
- Long QT Syndrome — Prolonged QTc, T alternans, Torsades de Pointes initiation
Each entry includes pathophysiology, specific ECG criteria, and authentic clinical ECG images with annotated descriptions. The summary table at the end provides a rapid reference for the key differentiating ECG feature of each disease.
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