| 1. | No valve divides the superior vena cava from the right atrium.
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| 2. | Ideally, the catheter terminates in the superior vena cava or the right atrium.
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| 3. | It is located at the junction of the superior vena cava and the right atrium.
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| 4. | The presence of the tumor may disrupt the normal upper airway obstruction and superior vena cava syndrome.
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| 5. | They can occur near the superior vena cava or inferior vena cava, but the former are more common.
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| 6. | For example, when removing the heart, connects such as the superior vena cava and inferior vena cava are separated.
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| 7. | A sinus venosus ASD that involves the superior vena cava makes up 2 to 3 % of all interatrial communication.
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| 8. | The azygos vein transports deoxygenated blood from the posterior walls of the thorax and abdomen into the superior vena cava vein.
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| 9. | In humans they are called the superior vena cava and the inferior vena cava, and both empty into the right atrium.
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| 10. | Radiologic evidence suggestive of involvement of the superior vena cava and seminal vesicle has been reported in confirmed cases of IgG4-RD.
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