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Myocardial and Pericardial Disease: Difference between revisions
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Myocardial and Pericardial Disease (view source)
Revision as of 19:47, 22 January 2012
, 22 January 2012→Clinical diagnosis
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'''''Electrocardiographic diagnostic criteria for HCM are:''''' | '''''Electrocardiographic diagnostic criteria for HCM are:''''' | ||
'''Major:''' | '''Major:''' | ||
* Left ventricular hypertrophy and repolarization changes | * Left ventricular hypertrophy and repolarization changes | ||
* T-wave inversion in leads I and aVL (≥3mm) (with QRS–T wave axis difference ≥30°), V3–V6 (≥3mm) or II and III and aVF (≥5mm) | * T-wave inversion in leads I and aVL (≥3mm) (with QRS–T wave axis difference ≥30°), V3–V6 (≥3mm) or II and III and aVF (≥5mm) | ||
* Abnormal Q (>40 ms or >25% R wave) in at least two leads from II, III, aVF (in absence of left anterior hemiblock), V1–V4; or I, aVL, V5–V6 | * Abnormal Q (>40 ms or >25% R wave) in at least two leads from II, III, aVF (in absence of left anterior hemiblock), V1–V4; or I, aVL, V5–V6 | ||
'''Minor:''' | '''Minor:''' | ||
* Complete bundle branch block or (minor) interventricular conduction defect (in LV leads) | * Complete bundle branch block or (minor) interventricular conduction defect (in LV leads) | ||