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Related Concept Videos

Disorders of Hemostasis01:24

Disorders of Hemostasis

693
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.
693
Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

603
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...
603

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Related Experiment Video

Updated: May 31, 2025

Author Spotlight: Controlled Human Exposure Model for Tick Research and Lyme Disease Studies
04:47

Author Spotlight: Controlled Human Exposure Model for Tick Research and Lyme Disease Studies

Published on: December 1, 2023

459

Immune thrombocytopenia possibly triggered by multiple tick bites.

Carlos Ramiro Silva-Ramos1, Andrés Eduardo Prieto-Torres2, Abraham Katime Zuñiga3,4

  • 1Pontificia Universidad Javeriana, Facultad de Ciencias, Grupo de Enfermedades Infecciosas, Bogotá, Colombia.

Revista Do Instituto De Medicina Tropical De Sao Paulo
|January 22, 2025
PubMed
Summary

Multiple tick bites may trigger acute immune thrombocytopenia (ITP), an autoimmune disorder causing low platelets and bleeding. This case highlights arthropod bites as a rare but potential cause of ITP.

Area of Science:

  • Hematology
  • Immunology
  • Toxicology

Background:

  • Immune thrombocytopenia (ITP) is an autoimmune disorder affecting platelet count.
  • ITP can be triggered by infections, immunizations, and allergic reactions.

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  • Arthropod bites are a rare but documented trigger for ITP.