T-wave inversion T-wave corresponds to the phase of rapid repolarization of the ventricular action potential. In the 12-lead ECG of adults, the normal T-wave is inverted in aVR; upright or inverted in leads aVL, III, and V1; and upright in limb leads I, and II, and in V3 to V6...
13.钟杭美,张开滋,黄岚等主编.临床12导联同步静态心电图.第1版,北京:中国医药科技出版社,2012. 14.Elias B. Hanna, MD,David luke Glancy, MD.ST-segment depression and T-wave inversion: Classification, differential diagnosis, and caveats...
COMMENT:SymmetricT waveinversionwill often be seen in theanteriorleads(V1,V2,V3 and even up to V4)ofpediatricpatients. In an otherwise healthy child(with no heart murmur)—this finding represents abenignnormal variant(referred to as a"Juvenile"...
COMMENT:SymmetricT waveinversionwill often be seen in theanteriorleads(V1,V2,V3 and even up to V4)ofpediatricpatients. In an otherwise healthy child(with no heart murmur)—this finding represents abenignnormal variant(referred to as a'Juvenile' T Wave Pattern). However, thesameECG (with iden...
14.Elias B. Hanna, MD,David luke Glancy, MD.ST-segment depression and T-wave inversion: Classification, differential diagnosis, and caveats.Cleveland clinic journal of medicine 2011,78(6):404-414. 15.18-Krishnaswamy a, lincoff aM, Menon V. Magnitude and conse-quences of missing the acute in...
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解析(1)光线在BC面上折射,由折射定律有 sin i1=nsin r1① 式中,n为棱镜的折射率,i1和r1分别是该光线在BC面上的入射角和折射角.光线在AC面上发生全反射,由反射定律有i2=r2② 式中i2和r2分别是该光线在AC面上的入射角和反射角.光线在AB面上发生折射,由折射定律有 ...