Diagnosis | Confirmatory clues |
True posterior infarct | ST ↓, T ↑ in V1-V2; Q waves and ST ↑ V7-V9 |
Right ventricular hypertrophy | RAD; RAE; secondary ST-Ts; V7-V9 normal |
Ventricular septal hypertrophy | Associated Q waves; LVH; V7-V9 normal or deep narrow Q waves |
Right bundle branch block | Wide QRS; broad S in V1, V6; R peaks late in V1; V7-V9 normal or broad S waves |
Wolff-Parkinson-White syndrome | Short PR; delta wave; V7-V9 normal or delta wave |
Normal variant | No other abnormalities |
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