The radar chart is a chart and/or plot that consists of a sequence of equi-angular spokes, called radii, with each spoke representing one of the variables.
pulmonary embolism-blockage of the pulmonary artery by foreign matter or by a blood clot. embolus-an abnormal particle (e.g. an air bubble or part of a clot) circulating in the blood. Translations.
Pulmonary embolism (PE) usually begins as a blood clot in a deep vein of the leg. This condition is called deep vein thrombosis. The clot can break free, travel through the bloodstream to the lungs, and block an artery. Blood clots can form in the deep veins of the legs if blood flow is restricted and slows down.