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Fig. 2 | BMC Pediatrics

Fig. 2

From: Echocardiography-guided percutaneous closure of perimembranous ventricular septal defects without arterial access and fluoroscopy

Fig. 2

Delivery tract establishment and device deployment. A1&A2: The catheter was progressively withdrawn to reach the middle of the TV; B1&B2: The guidewire was delivered to the RV via the TV; C1&C2: The catheter was advanced into the right ventricular outflow tract; D1&D2: The tip of the catheter was entered into the LV under TEE guidance. E1&E2: Guidewire advanced through the defect and into the LV under TEE guidance. F1&F2: Sheath advanced to the LV tracked by TEE. G1&G2: Left disc of the S-pmVSO was deployed in the LV. H1&H2: Right side of the device was deployed by retracting the delivery sheath while applying slight tension on the cable. LV: left ventricle; LA: left atrium; RA: right atrium; RV: right ventricle; AO: aorta; VSD: ventricle septal defect; TV: tricuspid valve; PV: pulmonary artery valve; MV: mitral valve; PA: pulmonary artery; SVC: superior vena cava; IVC: inferior vena cava

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