Objective To investigate the methodology and feasibility of bedside urgent cardiac pacing guided by electrocardiogram, comparing the usage of two kinds electrode catheter.

目的比较在体表心电图指导下两种电极导管紧急床旁心脏起搏治疗心动过缓的效果，探讨床旁心脏临时起搏的方法学和可行性。

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All patients underwent implantation of infusion catheter through right internal jugular vein and received catheter-guided regional thrombolysis with urokinase.

全部患者均经右颈内静脉途径置入导管行尿激酶溶栓治疗。

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Objective: To evaluate the effect and clinical value of the CT-guided percutaneous catheter drainage(CTPCD) in the hepatic abscess.

目的：评估CT引导下经皮肝脓肿穿刺置管引流术（CTPCD）的效果和临床应用价值。

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In the procedure, a catheter system, guided by ultrasound was inserted into an artery in the leg then threaded up through the aorta and into the coronary arteries.

BBC: 'Revolution' in heart bypass ops