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Blood vials laid on top of a medical chart.
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Research Feature
Medicine is full of hard choices. For years, doctors have faced a difficult decision concerning surgery for patients with atrial fibrillation, the most common type of irregular heartbeat. These patients receive continuous treatment with a widely used blood thinner to prevent heart attack or stroke. But doctors often stop this treatment if surgery...
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News Release
Combining genetic data with clinical information to determine the initial dosage of the blood thinner warfarin, used to prevent blood clots in the circulatory system, was no more effective in achieving stable anticoagulation than using only clinical information, according to a National Institutes of Health-funded clinical trial. In addition, the...
scientist using pipette microscope
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Research Feature
Nine studies focus on heart, lung, and blood diseases The National Institutes of Health has funded nine new studies that will develop induced pluripotent stem cells , or iPS cells, from patients with genetic variations that have been associated with coronary artery disease, pulmonary hypertension, clotting disorders, diabetes, and other conditions....
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Research Feature
The human heart is an amazing biological machine controlled by an internal electrical system that produces about 100,000 beats a day. When abnormal electrical activity causes the heart to beat too quickly, too slowly, or erratically, the condition is called an arrhythmia . Although most arrhythmias are harmless, some can interfere with the heart's...