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Related Concept Videos

Disorders of Hemostasis01:24

Disorders of Hemostasis

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

Anticoagulant Drugs: Low-Molecular-Weight Heparins

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...
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
Cardiovascular Drugs: Classification based on Therapeutic Indications01:18

Cardiovascular Drugs: Classification based on Therapeutic Indications

Cardiovascular diseases, encompassing a range of conditions, can significantly affect the heart's operations and the overall circulatory system. These conditions impair the heart's ability to pump blood, leading to a deficit in oxygen supply to crucial organs. Anomalies in the heart's electrical system, known as arrhythmias, can cause heartbeats to accelerate or slow down. Usually, heart rates increase during physical activity and decrease while resting or sleeping. However, frequent irregular...
Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
Varicose Veins I: Introduction01:26

Varicose Veins I: Introduction

Varicose veins, or varicosities, are abnormally dilated and twisted superficial veins caused by venous valve incompetence. This condition commonly affects the lower extremities, especially the saphenous veins, due to the higher pressure from prolonged standing and walking. However, varicosities can also occur in other areas, such as the esophagus, vulva, spermatic cords, and anorectal region.Etiology and typesPrimary varicose veins, often idiopathic, are more common in women due to inherent...

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Updated: Jun 19, 2026

Assessment of Vascular Regeneration in the CNS Using the Mouse Retina
07:32

Assessment of Vascular Regeneration in the CNS Using the Mouse Retina

Published on: June 23, 2014

[Vasculitis and hereditary small vessel diseases].

C Opherk1, N Peters, M Dichgans

  • 1Institut für Schlaganfall- und Demenzforschung, Neurologische Klinik und Poliklinik, Ludwig-Maximilians Universität, Marchioninistrasse 15, 81377, München, Deutschland.

Der Internist
|October 20, 2009
PubMed
Summary

Cerebral vasculitis and hereditary small vessel diseases are key stroke differentials in young patients. Early diagnosis and interdisciplinary treatment are crucial for managing these complex neurological conditions.

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Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases
07:47

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases

Published on: December 6, 2016

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Last Updated: Jun 19, 2026

Assessment of Vascular Regeneration in the CNS Using the Mouse Retina
07:32

Assessment of Vascular Regeneration in the CNS Using the Mouse Retina

Published on: June 23, 2014

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases
07:47

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases

Published on: December 6, 2016

Area of Science:

  • Neurology
  • Vascular Neurology
  • Genetics

Context:

  • Stroke in younger patients presents diagnostic challenges.
  • Cerebral vasculitis and hereditary small vessel diseases (e.g., CADASIL, Fabry disease) are critical differential diagnoses.
  • The variable clinical course of cerebral vasculitis complicates diagnosis.

Purpose:

  • To highlight the importance of considering cerebral vasculitis and hereditary small vessel diseases in young stroke patients.
  • To outline the diagnostic workup for cerebral vasculitis, including laboratory tests, CSF analysis, MRI, and biopsy.
  • To emphasize the diagnostic approaches and implications for hereditary small vessel diseases.

Summary:

  • Cerebral vasculitis diagnosis requires a comprehensive workup due to its variable presentation.
  • Hereditary small vessel diseases can mimic cerebral vasculitis, necessitating genetic analysis for accurate diagnosis.
  • Interdisciplinary management involving immunosuppressive therapy is key for cerebral vasculitis.

Impact:

  • Improved diagnostic accuracy for stroke in young individuals.
  • Timely initiation of appropriate treatment for cerebral vasculitis and hereditary small vessel diseases.
  • Informed genetic counseling for families affected by hereditary small vessel diseases.