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.
Knowledge center. An embolism in a medical context refers to any large moving mass or defect in the blood stream. An air embolism is an air bubble trapped in a blood vessel. When an air bubble travels along an artery, it moves through a system of blood vessels that gradually become narrower.