Chamber Hypertrophy and Enlargment: Difference between revisions

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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==
=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>
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===Example===
==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==
=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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==Left atrial enlargement==
=Left atrial enlargement=
<div style="float:right;margin-left:10px">
<div style="float:right;margin-left:10px">
<gallery>
<gallery>
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==Right atrial enlargement==
=Right atrial enlargement=
<div style="float:right;margin-left:10px">
<div style="float:right;margin-left:10px">
<gallery>
<gallery>
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==Biatrial enlargement==
=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

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