Shapiro E
Am J Cardiol. 1977 Mar;39(3):464-5. doi: 10.1016/s0002-9149(77)80106-9.
Thomas Lewis is alliteratively credited with devising the laddergram. Engelmann, or perhaps Chauveau, truly deserves the honor. Mackenzie and Wenckebach popularized the schema in their books.
托马斯·刘易斯因设计梯形图而被人以头韵的方式提及。真正值得这份荣誉的是恩格尔曼,或者也许是肖沃。麦肯齐和温克巴赫在他们的书中使这种模式得以普及。