【Abstract】 Objective:Toevaluatetheefficiency and safety oftwo dimensionalechocardiography(2DE)intransvenous pacemakerimplantation- Methods:Transvenouspacemakerimplantation was performed in11 patients with bradycardia,2DEwas usedtolocate the endocardiacleads with multisection echoscan anddynamicechoscanduringtheoperation- Results:Proceduresuccess was11 casesand allofthem gainedimproved quality oflife- Aleadrelocation was performedby X rayfluoroscopy forthefirstpatientafternine days- No othercomplicationoccurredduringthe procedureandfollow up- Conclusion:Permanentpacemakerimplantationbytheaidof2DEisasafeandreliable method with highsuccessfulrateandlow complication andlowercost,which should be usedasanalternative andsupplementforthe classioal method-更多还原