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Chamber Hypertrophy and Enlargment: Difference between revisions
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Chamber Hypertrophy and Enlargment (view source)
Revision as of 20:57, 18 November 2011
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Left and right ventricular hypertrophy can be distinguished on the ECG: | Left and right ventricular hypertrophy can be distinguished on the ECG: | ||
=Left ventricular hypertrophy= | |||
[[Image:E_lvh.jpg|thumb|right|300px|LVH. R in V5 is 26mm, S in V1 in 15mm. The sum is 41 mm which is more than 35 mm and therefore LVH is present according to the Sokolow-Lyon criteria.]] | [[Image:E_lvh.jpg|thumb|right|300px|LVH. R in V5 is 26mm, S in V1 in 15mm. The sum is 41 mm which is more than 35 mm and therefore LVH is present according to the Sokolow-Lyon criteria.]] | ||
[[Image:LVH.png|thumb|250px]] | [[Image:LVH.png|thumb|250px]] | ||
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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> | 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> | ||
{{clr}} | {{clr}} | ||
==Example== | |||
<gallery> | <gallery> | ||
Image:ECG000027.jpg|ECG of patient with left ventricular hypertrophy according to the Sokolow-Lyon criteria | Image:ECG000027.jpg|ECG of patient with left ventricular hypertrophy according to the Sokolow-Lyon criteria | ||
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=Right ventricular hypertrophy= | |||
[[Image:RVH.png|thumb|left]] | [[Image:RVH.png|thumb|left]] | ||
[[File:E000004.jpg|thumb|right|An example of right ventricular hypertrophy (and right atrial enlargement) in a patient with chronic pulmonary hypertension due to peripheral embolisation.]] | [[File:E000004.jpg|thumb|right|An example of right ventricular hypertrophy (and right atrial enlargement) in a patient with chronic pulmonary hypertension due to peripheral embolisation.]] | ||
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{{clr}} | {{clr}} | ||
=Left atrial enlargement= | |||
<div style="float:right;margin-left:10px"> | <div style="float:right;margin-left:10px"> | ||
<gallery> | <gallery> | ||
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{{clr}} | {{clr}} | ||
=Right atrial enlargement= | |||
<div style="float:right;margin-left:10px"> | <div style="float:right;margin-left:10px"> | ||
<gallery> | <gallery> | ||
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{{clr}} | {{clr}} | ||
=Biatrial enlargement= | |||
;Biatrial enlargement | ;Biatrial enlargement | ||
:Biphasic p wave in V1 of more than 0.04 sec duration. The positive initial part is > 1.5mm and the negative terminal part > 1mm | :Biphasic p wave in V1 of more than 0.04 sec duration. The positive initial part is > 1.5mm and the negative terminal part > 1mm | ||