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Chamber Hypertrophy and Enlargment

485 bytes added, 05:18, 4 July 2008
Left ventricular hypertrophy
* R in aVL and S in V3 >28 mm in men
* R in aVL and S in V3 >20 mm in women
 
In the '''Romhilt-Estes Score''' LVH is ''likely'' with 4 or more points. LVH is ''present'' with 5 or more points:
* Amplitude of R or S wave in limb leads >2.0 mV, or S wave in V1 or V2 >3.0 mV, or R wave in V5 or V6 >3.0 mV = 3 points.
* ST-segment changes with or without digitalis = 1 or 2 points, respectively.
* LA abnormality = 3 points.
* Left-axis deviation -30° or more = 2 points.
* QRS duration >90 ms = 1 point.
* Intrinsicoid deflection in V5 or V6 = 0.05 to 0.07 s.
Left ventricular hypertrophy has prognostic consequences as has been found in several studies.<cite>Levy</cite><cite>Sundstrom</cite>
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