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Related Concept Videos

Blood Transfusion01:15

Blood Transfusion

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Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
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Blood Transfusion and Agglutination02:45

Blood Transfusion and Agglutination

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Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
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Reaction Mechanisms03:06

Reaction Mechanisms

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Chemical reactions often occur in a stepwise fashion, involving two or more distinct reactions taking place in a sequence. A balanced equation indicates the reacting species and the product species, but it reveals no details about how the reaction occurs at the molecular level. The reaction mechanism (or reaction path) provides details regarding the precise, step-by-step process by which a reaction occurs.
For instance, the decomposition of ozone appears to follow a mechanism with two steps:
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Determining Order of Reaction02:53

Determining Order of Reaction

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Rate laws describe the relationship between the rate of a chemical reaction and the concentration of its reactants. In a rate law, the rate constant k and the reaction orders are determined experimentally by observing how the rate of reaction changes as the concentrations of the reactants are changed. A common experimental approach to the determination of rate laws is the method of initial rates. This method involves measuring reaction rates for multiple experimental trials carried out using...
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Reaction Rate02:53

Reaction Rate

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The rate of reaction is the change in the amount of a reactant or product per unit time. Reaction rates are therefore determined by measuring the time dependence of some property that can be related to reactant or product amounts. Rates of reactions that consume or produce gaseous substances, for example, are conveniently determined by measuring changes in volume or pressure.
The mathematical representation of the change in the concentration of reactants and products, over time, is the rate...
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Reaction Quotient02:35

Reaction Quotient

53.0K
The status of a reversible reaction is conveniently assessed by evaluating its reaction quotient (Q). For a reversible reaction described by m A + n B ⇌ x C + y D, the reaction quotient is derived directly from the stoichiometry of the balanced equation as
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Updated: Jan 27, 2026

Routine Screening Method for Microparticles in Platelet Transfusions
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Routine Screening Method for Microparticles in Platelet Transfusions

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[Réactions transfusionnelles].

Jacques Chiaroni1

  • 1Établissement français du sang, Marseille, France.

La Revue Du Praticien
|March 15, 2019
PubMed
Summary
This summary is machine-generated.

Blood transfusions can cause adverse recipient events, occurring immediately or delayed. Mandatory reporting to the haemovigilance device is crucial for managing these transfusion reactions.

Keywords:
transfusiontransfusion reactions

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Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro
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A Microfluidic Flow Chamber Model for Platelet Transfusion and Hemostasis Measures Platelet Deposition and Fibrin Formation in Real-time
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A Microfluidic Flow Chamber Model for Platelet Transfusion and Hemostasis Measures Platelet Deposition and Fibrin Formation in Real-time

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Last Updated: Jan 27, 2026

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A Microfluidic Flow Chamber Model for Platelet Transfusion and Hemostasis Measures Platelet Deposition and Fibrin Formation in Real-time
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Area of Science:

  • Hematology
  • Immunology
  • Public Health

Background:

  • Blood transfusions, while essential, carry risks of adverse recipient events.
  • These events can manifest immediately or be delayed, impacting patient safety.
  • Haemovigilance systems are critical for monitoring and reporting transfusion-related complications.

Purpose of the Study:

  • To outline the mechanisms and management of transfusion reactions.
  • To emphasize the importance of reporting adverse events.
  • To highlight preventive strategies for transfusion safety.

Main Methods:

  • Review of transfusion reaction types and mechanisms.
  • Discussion of haemovigilance reporting requirements.
  • Analysis of preventive measures and diagnostic monitoring.

Main Results:

  • Transfusion reactions are categorized into immunological, infectious, and overload mechanisms.
  • Mandatory reporting to haemovigilance is required for all adverse events.
  • Prevention relies on product safety and adherence to transfusion protocols.

Conclusions:

  • Understanding transfusion reaction mechanisms is key to patient safety.
  • Effective haemovigilance and strict adherence to protocols minimize transfusion risks.
  • Close patient monitoring during and after transfusion is essential for early diagnosis.