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Can we diagnose LVH with normal IVS thickness ?

Posted Jan 31 2013 12:00am

We always look at the thickness of  Inter ventricular septum for LVH . The Normal IVS thickness is up to 11 mm in diastole .  LVH is definite if IVS measure > 11 mm .It is  certain if it is > 12mm . But , we need to realise LVH by definition is not simply wall thickness .

It is increased LV  mass .

LV mass can increase without wall thickening . This is  referred to eccentric LVH . For example in chronic  volume overload  states  (or even DCMs )  LV mass may increase without septal thickneing .

Final message

LVH is possible without IVS thickening .

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