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Related Concept Videos

Hypersensitivity Reactions: Delayed Hypersensitivity Reactions01:29

Hypersensitivity Reactions: Delayed Hypersensitivity Reactions

Delayed-Type Hypersensitivity (DTH), or Type IV hypersensitivity, is a cell-mediated immune response. It occurs when T cells, rather than antibodies, mediate a reaction to specific antigens. It is characterized by a delayed onset (1-2 days) and involves the recruitment of macrophages to the inflammation site.The initiation of a DTH response begins with the sensitization of T cells. During this phase, which lasts at least 1-2 weeks, antigen-specific T cells are activated, clonally expanded, and...
Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test01:22

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess the...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.

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Related Experiment Video

Updated: Jun 4, 2026

Induction and Monitoring of Active Delayed Type Hypersensitivity (DTH) in Rats
13:26

Induction and Monitoring of Active Delayed Type Hypersensitivity (DTH) in Rats

Published on: July 19, 2007

[A delay in the HELLP syndrome diagnosis].

J Záhumenský1, E Menzlová, H Hermann

  • 1Gynekologicko-porodnická klinika 1. Iékarské fakulty UK a FN Na Bulovce Praha. jozef.zahumensky@gmail.com

Vnitrni Lekarstvi
|March 1, 2011
PubMed
Summary

HELLP syndrome, a serious pregnancy complication, involves hemolysis, elevated liver enzymes, and low platelets. Early diagnosis and delivery are crucial for maternal and fetal survival.

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Induction and Monitoring of Adoptive Delayed-Type Hypersensitivity in Rats
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Published on: October 1, 2007

Related Experiment Videos

Last Updated: Jun 4, 2026

Induction and Monitoring of Active Delayed Type Hypersensitivity (DTH) in Rats
13:26

Induction and Monitoring of Active Delayed Type Hypersensitivity (DTH) in Rats

Published on: July 19, 2007

Induction and Monitoring of Adoptive Delayed-Type Hypersensitivity in Rats
22:06

Induction and Monitoring of Adoptive Delayed-Type Hypersensitivity in Rats

Published on: October 1, 2007

Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine
  • Hematology

Background:

  • HELLP syndrome is a severe obstetric complication affecting approximately 0.6% of pregnancies, typically in the second half.
  • It is characterized by Hemolysis, Elevated Liver enzymes, and Low Platelets.
  • The condition can manifest with or without preeclampsia.

Observation:

  • HELLP syndrome presents with specific laboratory abnormalities that can mimic other liver or gallbladder diseases.
  • Physiological changes during pregnancy can predispose women to conditions with overlapping symptoms.
  • Symptoms may lead women to seek care from non-obstetrician physicians.

Findings:

  • The syndrome's pathogenesis remains incompletely understood.
  • Potential severe complications include disseminated intravascular coagulation, liver rupture, and multi-organ failure.
  • Delivery at the earliest feasible term is the primary management strategy.

Implications:

  • Timely diagnosis is critical to prevent life-threatening outcomes for both mother and child.
  • Increased awareness among healthcare providers is necessary for prompt referral to obstetrical care.
  • Further research into HELLP syndrome pathogenesis could lead to improved diagnostic and therapeutic approaches.