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Chamber Hypertrophy and Enlargment: Difference between revisions
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Chamber Hypertrophy and Enlargment (view source)
Revision as of 06:16, 19 December 2012
, 19 December 2012→Left ventricular hypertrophy
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*R in V5 or V6 + S in V1 >35 mm. | *R in V5 or V6 + S in V1 >35 mm. | ||
This criterium is not reliable below age 40 years.<cite>Chou</cite> In 10-29 year olds, the 99th percentile for SV1+RV5 is 53mm. In 20-39 year olds: 32% have SV2+RV5 > 35 mm.<cite>chou</cite> Correlation between LVH on ECG and echocardiography is low with ECG having a sensitivity of 27% and | This criterium is not reliable below age 40 years.<cite>Chou</cite> In 10-29 year olds, the 99th percentile for SV1+RV5 is 53mm. In 20-39 year olds: 32% have SV2+RV5 > 35 mm.<cite>chou</cite> Correlation between LVH on ECG and echocardiography is low with ECG having a sensitivity of 27% and specificity of 88% for echocardiographically measured LVH<cite>echo</cite><cite>echo2</cite>. Moreover, both are independent estimators of worse prognosis.<cite>sundstrom</cite>. | ||
The '''Cornell-criterium''' has different values in men and women: | The '''Cornell-criterium''' has different values in men and women: | ||
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Image:Extreme_lvh2.jpg|Another example of extreme left ventricular hypertrophy in a patient with severe aortic valve stenosis. | Image:Extreme_lvh2.jpg|Another example of extreme left ventricular hypertrophy in a patient with severe aortic valve stenosis. | ||
Image:extreme_lvh.jpg|ECG of a patient with LVH and subendocardial ischemia leading to positive cardiovascular markers in blood testing. | Image:extreme_lvh.jpg|ECG of a patient with LVH and subendocardial ischemia leading to positive cardiovascular markers in blood testing. | ||
Image:E0003191.png|LVH with repolarization changes as in this 12 lead ECG example has a worse prognosis than LVH without repolarization changes | |||
</gallery> | </gallery> | ||
{{clr}} | {{clr}} | ||