Chamber Hypertrophy and Enlargment: Difference between revisions

Chamber Hypertrophy and Enlargment (view source)

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 This is a better predicting criterium than the Sokolow-Lyon criterium, but less easy to remember, and therefore less often used.<cite>Levy</cite><cite>Sundstrom</cite>
-In the '''Romhilt-Estes Score''' LVH is ''likely'' with 4 or more points. LVH is ''present'' with 5 or more points:
+In the [[Romhilt-Estes Score]] LVH is ''likely'' with 4 or more points. LVH is ''present'' with 5 or more points:
 Romhilt-Estes point score system ("diagnostic" >5 points; "probable" 4 points):<cite>Romhilt</cite>
-{| class="wikitable"
-||'''ECG Criteria'''||'''Points'''
-|-
-||Voltage Criteria (any of):
-# R or S in limb leads ≥20&nbsp;mm
-# S in V<sub>1</sub> or V<sub>2</sub> ≥30&nbsp;mm
-# R in V<sub>5</sub> or V<sub>6</sub> ≥30&nbsp;mm
-||3
-|-
-||ST-T Abnormalities:
-* ST-T vector opposite to QRS without digitalis
-* ST-T vector opposite to QRS with digitalis
-||
-<br/>
-|-
-||Negative terminal P mode in V<sub>1</sub> 1&nbsp;mm in depth and 0.04 sec in duration (indicates left atrial enlargement)
-||3
-|-
-||Left axis deviation (QRS of -30° or more)
-||2
-|-
-||QRS duration ≥0.09 sec
-||1
-|-
-||Delayed [[intrinsicoid deflection]] in V<sub>5</sub> or V<sub>6</sub> (>0.05 sec)
-||1
-|}
 Romhilt has reviewed ECG LVH criteria and gives an overview of the many LVH scoring systems. <cite>Romhilt2</cite> Left ventricular hypertrophy has prognostic consequences as has been found in several studies.<cite>Levy</cite><cite>Sundstrom</cite>