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8 Cards in this Set
- Front
- Back
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What are the boundaries of the superior mediastina?
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above a line connecing the sternal angle and the T4-T5 vertebrae to the top of the thoracic cavity.
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What are the boundaries of the anterior mediastina?
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Below the superior and between the sternum and the pericardium covering the heart.
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What are the boundaries of the middle mediastina?
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Below the superior and behind the anterior and consists of the region of the heart and the pericardium.
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What are the boundaries of the posterior mediastina?
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it is below the superior and between the heart and the spine.
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Ther pericaridal cavity lies between which two pericardial layers?
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The visceral serous pericardium and the perinetal serous pericardium.
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Describe the flow of blood from the inferior vena cava to the aorta?
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Inferior vena cava > rt atrium > rt AV valve >rt ventricle > pulmonary valve > pulmonary trunk > pulmonary arteries > lung > pulmonary veins > lt atrium > lt AV valve > lt. ventricle > aortic valve > aorta
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If the anterior chest is crushed inward, what are the anterior (sternal) structures that might be damaged?
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Rt atrium and ventricle, lt ventricle, rt and lt auricles, superior vena cava, pulmonary trunk and arteries, aorta, rt and lt coronary A, rt. marginal artery, small cardiac veins, ant. cardiac veins, anterior interventricular A, great cardiac vein.
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If a large tumor mass were pressing on the posterior heart, what posterior structures of the heart might be compressed?
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Pulmonary veins, lt and rt atria, lt and rt ventricle, superior and inferior ven a cava, pulmonary arteries,rt. coronary a., post interventricular A. circumflex A. lt. marginal A. coronary sinus, small cardiac V., middle cardiac V., great Cardiac vein.
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