概括
散布式血管内凝血 (DIC) 可能会导致D-二次体测试结果因效应而虚假下降. 样品稀释可以确认高的D-二聚物水平,并确保准确的诊断.
科学领域:
- 临床化学 临床化学
- 血液学 血液学 血液学
背景情况:
- D-二聚体对于诊断血栓性疾病和监测血栓溶解至关重要.
- 准确的D-二次体检测对于有效的患者管理至关重要.
相关概念视频
01:30Anticoagulant Drugs: Low-Molecular-Weight Heparins
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Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
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01:16Clot Retraction and Fibrinolysis
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After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
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01:24Disorders of Hemostasis
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Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
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