醫(yī)學]見習醫(yī)師心電圖教學基礎-在線瀏覽
2025-02-21 03:29本頁面
【正文】 e elder 35小格 RAE 1. Tall , wide P wave in the limb leads( in lead II) and right precordial leads(≧ in V1) 2. Often associated with RVH LAE 1. P wave duration in frontal plane (usually lead II) 2. Terminal P negativity in lead V1 (., Pterminal force) duration , depth 1 mm. PR depression in pericarditis Quits What’s the abnormality? ECG reading 1. Rate 2. Rhythm 3. Axis 4. P wave 5. PR segment and interval 6. Common QRS morphology, voltage, and duration 7. STT segment 8. QTc interval 9. U wave Normal ECG QRS plex 1 ? ~ sec ( the widest in V1 , V2 。 (most : +30 ~ +75) ?Amplitude : decrease in advanced age ( 40 y/o) women, white, obesity 小於４格 Q wave or Delta wave? Bundle Branch Block CRBBB ? QRS ≧ sce ? rsR’ or rSR’ (initial R 2nd R ) ? Delay in onset of intrinsicoid deflection sec ? Wide S in I , V5 , V6 , Inplete RBBB (QRS120ms) Complete RBBB LBBB and RBBB ? Criteria of plete BBB (all of below) ? QRS ≧ s ? Supraventricular rhythm ? Absence of WPW pattern ? Criteria of plete LBBB (all of below) ? Criteria of plete BBB ? Broad and notched or slurred R in I and V5 or V6 ? Absence of Q wave in I and V5 and V6 ? R peak time ≧ s in V5 or V6 Clockwise/counterclockwise rotation ? Normally the R wave am
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