There were two kinds of R-P-period and P-wave or atrialfusion wave in anterior AVRT.
顺向型房室折返性心动过速时，出现两种不同的R-P-间期和P-波或房性融合波。
2
Objective To construct recombinant plasmid with human atrial natriuretic peptide (ANP) gene in fusion form for stable and high level expression of genetic engineering product ANP in E. coli system.