RVH is diagnosed on ECG in the presence of ... or if the R wave in lead V1 is greater than 7 millimeters tall. The strain pattern occurs when the right ventricular wall is quite thick, and the ...

RVH is diagnosed on ECG in the presence of a R-S ratio of > 1 in lead V1 in the absence of other causes or if the R wave in lead V1 is > 7 mm tall. The strain pattern occurs when the right ...