Word: aorta
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Dates: during 1960-1969
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...withdraws blood from the aorta while the heart contracts, lowering the blood pressure within the heart and diminishing the organ's work load. Then, when the heart again relaxes and expands in the course of beating, the blood is swiftly returned to the aorta, restoring normal blood pressure throughout the system...
...patient's chest was opened along the breastbone. Tubes slipped into both great veins led used blood out of her body to the heart-lung machine. Another tube fed it back into a leg artery. A clamp on the aorta helped to keep the heart and lungs virtually bloodless. Dr. Cooley slit open the main pulmonary artery, found nothing in it. But in the successively smaller branches and in the lungs themselves were at least 18 clots. Dr. Cooley pulled some out with forceps, extracted the others with a vacuum suction tube. He washed out the lungs and squeezed...
...lost its momentum, entered the pulmonary vein carrying oxygenated blood from the lungs to the heart's upper left chamber. Car ried along with the blood, the slug went through the mitral valve into the left ventricle and up through the aortic valve. It turned downward at the aorta's arch in the upper chest, and traveled through the femoral artery until this became too nar row. Then the bullet stopped behind the left knee. Surgeons had no difficulty removing it. Military surgeons who treated hundreds of wartime wounded said that the case of Bruce's unguided...
Died. Tracy S. McCraken, 66, onetime reporter who converted an ailing Wyoming weekly into the first link of a six-paper chain; of a ruptured abdominal aorta; in Cheyenne. A veteran Democratic national committeeman, McCraken cast the 15 Wyoming votes that gave Kennedy the nomination at the Democratic Convention, two weeks ago declined to fill a U.S. Senate vacancy, caused by the death of Republican Keith Thomson, because "I love newspapering...
Monitoring the operation through an image intensifier-a refined fluoroscope that produces an X-ray image 1,500 times Drighter than the old-style fluoroscopic screen-Drs. Sones and Shirey then release a tiny amount of radiopaque dye through the catheter into the aorta in order to locate the spot at which right and left coronary arteries join the circulation's main stem. "The rest," says Sones, 'requires only a little bit of simple dexterity." The catheter is successively slipped into both coronary arteries, and small injections of dye (2 cc. to 5 cc.) are sufficient to silhouette...