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D-dimer (or D dimer) is a dimer that is a fibrin degradation product (FDP), a small protein fragment present in the blood after a blood clot is degraded by fibrinolysis. It is so named because it contains two D fragments of the fibrin protein joined by a cross-link , hence forming a protein dimer .
Diagnosis is typically based on blood tests. [2] Findings may include low platelets, low fibrinogen, high INR, or high D-dimer. [2] Treatment is mainly directed towards the underlying condition. [2] [3] Other measures may include giving platelets, cryoprecipitate, or fresh frozen plasma. [2] Evidence to support these treatments, however, is ...
Lab tests and clinical monitoring show low blood oxygen, widened pulse pressure, increased cardiac output (early), potentially diminished cardiac output (late), high levels of nitrogen compounds in the blood, elevated D-dimer, elevated transaminases, factor I deficiency and excessive bleeding, higher-than-normal level of bilirubin. [5] [8]
Acquired hyperfibrinolysis is found in liver disease, [3] in patients with severe trauma, [4] during major surgical procedures, [5] and other conditions. [6] A special situation with temporarily enhanced fibrinolysis is thrombolytic therapy with drugs which activate plasminogen , e.g. for use in acute ischemic events or in patients with stroke.
Once DIIHA has been recognized, the patient must stop whatever drug caused the anemia in order to provide proper treatment. Patients should be given blood transfusions as needed. The use of thromboprophylaxis is encouraged because despite being anemic, patients are often hypercoagulable. [4]
Anemia (also spelled anaemia in British English) is a blood disorder in which the blood has a reduced ability to carry oxygen.This can be due to a lower than normal number of red blood cells, a reduction in the amount of hemoglobin available for oxygen transport, or abnormalities in hemoglobin that impair its function.
Erythrocyte sedimentation rate was elevated at 35 mm/hour; cardiolipin IgM was weakly positive at 16.3; C4 was decreased at 10 mg/dl; antinuclear antibodies were negative and p-ANCA was reactive. Coagulation studies were within normal limits. There was an elevated d-dimer of 17.54 mg/mL and platelets were slightly decreased. The patient's urine ...
In typical people who are not known to be at high risk of PE, imaging is helpful to confirm or exclude a diagnosis of PE after simpler first-line tests are used. [ 34 ] [ 37 ] [ 58 ] Medical societies recommend tests such as the D-dimer to first provide supporting evidence for the need for imaging, and imaging would be done if other tests ...