Isolated Left Ventricular Infarction
Type 1 – Subendocardial w/out Q wave
Primary patterns: aVR
Secondary patterns: D1, D2, aVL, aVF, LV area, V3-V6
Normal patterns: D3, RV area, V4R, V1
Recorded and interpreted by: Quintiliano H. de Mesquita, M.D.
ECG diagnostic criteria for myocardial infarction:
- Primary patterns: Q, QR or QS wave, positive and monophasic RS-T segment with T wave; convex(up) aspect segment RS-T(+) or isoelectric with diphasic(+- type) T wave or negative T wave with or w/out coronary aspect.
- Secondary patterns: R deflection with or w/out notches or in "M" shape; negative and monophasic RS-T segment with T wave; concave(up) aspect segment RS-T(-) or isoelectric with diphasic (-+ type) or positive T wave.
- Antagonistics, opposing or reciprocal leads: - Frontal plane: D1-aVL versus D3-aVF Horizontal plane: right ventricular area (V4R, V5R, V6R, V1) versus left ventricular area (V1-V2-V6)
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