This study tested the feasibility and safety of radiofrequency (RF) catheter ablation in eliminating focal atrial fibrillation (AF) under the guidance of intracardiacechocardiography (ICE).
探讨在心腔内超声（ICE）导引下对局灶性心房颤动（简称房颤）行射频消融治疗的可行性和安全性。
2
Objective: This paper was designed to investigate the semiquantitative diagnostic value of intracardiac right-to-left shunts by right heart contrast echocardiography.
目的：探讨右心声学造影对心内由右向左分流半定量诊断的价值。
3
Blood culture and drug susceptibility tests were performed, and intracardiac vegetations were revealed by transthoracic echocardiography in all patients before surgery.