英文原文：
RestrictivecardiomyopathyoftenshowssignificantgenotypicandphenotypicoverlapwithHCMandmaydisplaymanyoftheECGchangesdefinedearlier(Figure5.8).Giventhemarkedincreasesindiastolicdysfunction,changesinP-wavemorphologyconsistentwithatrialdilatationandhypertrophymaybepresent.Inadults,leftatrialabnormalitiesaredefinedaseitherawidelynotched(40ms)Pwaveorprolongationofoverallactivation(ms),andrightatrialabnormalitiesbyatall,uprightPwave(2.5mm)inlead2.AlthoughmarkeddifferencesinP-waveparametersexistthroughoutchildhood,thesevaluesareconsistentwiththe98thpercentile(P-waveamplitude2.4mmanddurationms)seeninadolescents.Childrenwithrestrictivecardiomyopathymayalsoshowfeaturesofconductiondisease,includingPRandQRSprolongationprogressingto北京中科医院忽悠北京中医院能治疗白癜风