bEKG hypertrophy of right ventricle Pulmonary p wave RV,+Sys>1.05mV 12.3ead:Qs,ⅤsRS<1 C vectorcardiogram Enlargement of right atrium and right ventricle dEchocardiogram Inner diameter of outflow duct of right ventricle >30mm Inner diameter of right ventricle >20mm Inner diameter of pulmonary artery increasedb.EKG hypertrophy of right ventricle Pulmonary P wave Rv1+Sv5>1.05mV V1,2,3 lead: Qs, V5 R/S<1 c.Vectorcardiogram Enlargement of right atrium and right ventricle d.Echocardiogram Inner diameter of outflow duct of right ventricle >30mm Inner diameter of right ventricle >20mm Inner diameter of pulmonary artery :increased