Word: clot
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With the red clot at the rim of the nail...
...provide ample opportunity for both coaches to display their talents at juggling lineups and producing maximum efforts from their swimmers. The Crimson's Bill Brooks is famous for the sort of manipulation of personnel that upset Yale last year for the first time in 24 years. Princeton's Bob Clot-worthy, Olympic diving champion in 1956, has been priming his men for this contest all season...
...carotid arteries that channel blood through the neck to the brain are almost as subject to atherosclerotic disease with advancing age as are the coronaries. They may simply be narrowed, so that less blood gets through. They may be almost closed by a fatty plaque, so that a clot forms there and clogs an artery. About 85% of strokes are caused by arterial shutdowns; about 10% by hemorrhage (bleeding through a burst blood vessel in the brain, usually in victims of high blood pressure), and 5% by traveling clots in the bloodstream...
...inject radiopaque dye into the patient's arm or neck arteries and take an arteriogram, a rapid-fire series of X rays. (Two per second is the standard speed; six per second is now possible, and 60 per second may be soon.) These may show precisely where the clot has done its damage; they can give general guidance to the doctors and therapists who will have to work with the patient later...
...type and severity of paralysis vary with the location of the clot which has caused the stroke. If it is in the anterior cerebral artery, the leg on the opposite side will be more severely affected. But most strokes affect the middle cerebral artery, so the arm is more handicapped than the leg. This is why 90% of stroke victims learn to walk again, while only 10% to 20% regain full use of the right arm-though almost 50% of those under 45, even with severe impairment, could probably do so with proper training...