Theorem: In a triangle ABC, three lines AD, BE and CF intersect at a single point K if and only if . Proof of Concurrency of the Three Medians . Now using Ceva's theorem, it will be straightforward to prove that the three medians intersect at one point.
D-dimer normal range. The normal range for D-dimer is approximately 0.5 mg/l of blood or 500 mg/ml of blood.Testing of d-dimer range is usually not done when suspicions of individuals who have symptoms of scattered intra-vascular coagulation have been confirmed and have been diagnosed to be suffering from the condition. blood test is used to determine the concentration of D-dimer in the blood. Thrombosis is a condition that affects the ability of the blood to form clots and a D-dimer test is done to diagnose the presence of the condition.
The test measures the substance that the body releases after a blood clot breaks up, referred to as D-dimer. Low levels of D-dimer mean a patient probably does not have blood clotting issues. An elevated level of D-dimer has a few causes. Serious blood clotting problems, such as pulmonary embolism, which is life threatening, can result in high levels of D-dimer. A patient with high D-dimer levels may also have disseminated intravascular coagulation (DIC), another serious condition that prevents blood from clotting as it should. Unchecked pulmonary embolism, deep vein thrombosis and DIC can kill patients, notes WebMD.