一个COVID-19病例报告具有较低的ACT (激活凝血时间) 和高血清D-二次数水平:抗血素III缺乏吗?
1Department of Internal Medicine Adıyaman University School of Medicine Adıyaman Turkey.
Respirology case reports
|June 3, 2024
概括
这份病例报告详细介绍了一名患有COVID-19和疑似抗血素III缺乏症的患者,呈现出严重的细胞因子风暴和高D-二次体水平,对肝素治疗没有反应. 它强调了诊断和管理非典型COVID-19病例的挑战.
科学领域:
- 关键护理医学 关键护理医学
- 传染性疾病 传染性疾病
- 血液学 血液学 血液学
背景情况:
- 冠状病毒疾病2019 (COVID-19),由SARS-CoV-2引起,由于除了发烧和呼吸道问题之外的非典型症状,呈现出诊断挑战.
- 在COVID-19中非典型的临床和实验室发现使全球疾病管理和控制工作复杂化.
- 严重急性呼吸系统综合征冠状病毒2 (SARS-CoV-2) 感染可以引发细胞因子风暴,导致严重疾病.
相关概念视频
01:30Anticoagulant Drugs: Low-Molecular-Weight Heparins
675
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...
675
01:24Disorders of Hemostasis
837
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.
837
01:16Clot Retraction and Fibrinolysis
5.5K
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.
5.5K
01:20Extrinsic and Intrinsic Pathways of Hemostasis
7.1K
Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...
7.1K