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Fig. 1 | BMC Cardiovascular Disorders

Fig. 1

From: Congenital subclavian-superior vena cava arteriovenous fistula with initial stenosis in an adult: a case report

Fig. 1

a Transthoracic echocardiography shows the arteriovenous fistula (Fis) between the right subclavian artery (SCA) and the superior vena cava (SVC); b Continuous-wave Color Doppler interrogation of the fistula shows high velocity flow signals moving from the SCA into the SVC throughout the cardiac cycle (stenosis site: velocity 385 cm/s, pressure gradient 59 mmHg); c, d Computed tomographic angiography and three-dimensional reconstruction show the fistula and obvious stenosis site (arrow); e,f The fistula is successfully closed using a 10/12 mm Amplatzer Ductal Occluder (asterisk) by the guidance of angiography (dotted arrow); RA — right atrium; RV — right ventricle

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BMC Cardiovascular Disorders

ISSN: 1471-2261

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