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| Romhilt-Estes Criteria for Left Ventricular Hypertrophy |
The MedCalc 3000 module Romhilt-Estes Criteria for Left Ventricular Hypertrophy is available in MedCalc 3000 Complete Edition.
This calculator evaluates the following Clinical Criteria:
- Biggest R or S wave in the limb leads greater than or equal to 20 mm; or S wave in V1 or V2 greater than or equal to 30 mm; or R wave in V5 or V6 greater than or equal to 30 mm
- Left atrial involvement - terminal deflection of P wave in V1 is 1 box wide, and 1 box deep or more
- Left axis deviation - QRS axis is -30 degrees or more negative
- QRS duration greater than or equal to 0.09 second
- Intrinsicoid deflection in V5 and V6 greater than or equal to 0.05 second
- ST-T segment changes ("LV strain" = ST-T vector shifted opposite to QRS vector)
| All information contained in and produced by the MedCalc 3000 system is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease. THIS INFORMATION IS NOT INTENDED TO REPLACE CLINICAL JUDGMENT OR GUIDE INDIVIDUAL PATIENT CARE IN ANY MANNER. Click here for full notice and disclaimer. |