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Related Concept Videos

Disorders of Hemostasis01:24

Disorders 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.
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Teratogenicity01:07

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The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
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Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
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Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

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Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
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Blood Pressure Imbalances and Circulatory Shock01:24

Blood Pressure Imbalances and Circulatory Shock

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Disorders affecting blood volume, vascular tone, or vascular function can disrupt vascular homeostasis, including conditions like hypertension, hemorrhage, and shock.
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
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Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

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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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Related Experiment Video

Updated: Jul 9, 2025

Author Spotlight: Modeling an Aspect of Preeclampsia in Female Mice Using Hypoxic Human Placenta-Derived Small Extracellular Vesicles
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Author Spotlight: Modeling an Aspect of Preeclampsia in Female Mice Using Hypoxic Human Placenta-Derived Small Extracellular Vesicles

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Labor and delivery: DIC, HELLP, preeclampsia.

Juliana Perez Botero1,2, Jennifer Jury McIntosh3,4

  • 1Department of Medicine, Division of Hematology, Medical College of Wisconsin, Milwaukee, WI.

Hematology. American Society of Hematology. Education Program
|December 9, 2023
PubMed
Summary
This summary is machine-generated.

Hematologists play a key role in managing pregnancy-related microangiopathic emergencies. Prompt diagnosis and treatment of conditions like preeclampsia and HELLP syndrome, alongside rare causes, are crucial for optimal maternal and fetal outcomes.

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Area of Science:

  • Obstetrics and Gynecology
  • Hematology
  • Critical Care Medicine

Background:

  • Microangiopathic emergencies in pregnancy pose significant risks to maternal and fetal health.
  • Common causes include preeclampsia with severe features, HELLP syndrome, and disseminated intravascular coagulation.
  • Rare but critical conditions necessitate prompt recognition and management.

Purpose of the Study:

  • To highlight the essential role of hematologists in managing pregnancy-related microangiopathic emergencies.
  • To emphasize the importance of understanding both common and rare causes of these emergencies.
  • To promote collaborative obstetric and hematology care for optimizing patient outcomes.

Main Methods:

  • Review of common and rare microangiopathic emergencies in pregnancy.
  • Discussion of diagnostic criteria and management strategies.
  • Emphasis on interdisciplinary collaboration between hematologists and obstetricians.

Main Results:

  • Preeclampsia with severe features, HELLP syndrome, and DIC are the most frequent causes.
  • Acute fatty liver of pregnancy, TTP, complement-mediated microangiopathy, and APS represent less common but critical differential diagnoses.
  • Integrated care models improve management of these complex obstetric hematologic conditions.

Conclusions:

  • A comprehensive understanding of both common and rare microangiopathic emergencies is vital for hematologists and obstetricians.
  • Multidisciplinary collaboration is imperative for effective management and improved outcomes in pregnant patients with microangiopathic emergencies.
  • Timely diagnosis and tailored treatment strategies are essential for addressing these life-threatening conditions.