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Related Concept Videos

Epistaxis01:30

Epistaxis

Epistaxis, or nosebleeds, occurs when small, swollen blood vessels in the nasal mucous membrane rupture. Typically, the anterior septum is the primary site of occurrence.
Etiology
Possible causes of this condition include high blood pressure, trauma, low humidity, upper respiratory tract infections, allergies, foreign bodies, nasal inhalation of corticosteroids or illicit drugs, excessive use of decongestant nasal sprays, facial or nasal surgery, anatomic malformation, tumors, or systemic...
Endoscopic Studies II: Thoracocentesis01:26

Endoscopic Studies II: Thoracocentesis

Thoracentesis(Thoracocentesis), commonly known as pleural tap, is a medical procedure where a 22 gauge needle is inserted into the pleural space, the area between the lung and chest wall. This procedure is commonly performed to diagnose or treat various respiratory disorders.
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
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.
Introduction to Hemostasis01:05

Introduction to Hemostasis

Hemostasis is a complex physiological process that prevents excessive bleeding when a blood vessel is injured. It's crucial for maintaining the integrity of the circulatory system, as it ensures that our blood remains fluid while still within the vascular network and yet clots to prevent blood loss upon vessel injury.
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized, and...
Extrinsic and Intrinsic Pathways of Hemostasis01:20

Extrinsic and Intrinsic Pathways of Hemostasis

Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which forms a...
Tracheostomy Decannulation01:21

Tracheostomy Decannulation

Tracheostomy decannulation is a significant milestone in the liberation of mechanically ventilated patients. Despite its importance, there is no universally accepted protocol for this procedure. This demands an evidence-based, individualized approach.
Description of the Procedure
Decannulation refers to the permanent removal of the tracheostomy tube, signaling the resolution of the condition that initially necessitated the tracheostomy. The process requires a well-coordinated interplay between...

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Related Experiment Video

Updated: Jun 5, 2026

Simple and Effective Procedure for Hemostasis in Mouse Arteries
05:34

Simple and Effective Procedure for Hemostasis in Mouse Arteries

Published on: November 28, 2025

Epistaxis.

H E Stevens

    Canadian Family Physician Medecin De Famille Canadien
    |January 15, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Effective epistaxis (nosebleed) management requires good equipment and organized protocols to avoid worsening patient trauma. This approach is crucial for addressing acute nosebleed cases, especially in emergency settings.

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    Area of Science:

    • Emergency Medicine
    • Otolaryngology

    Background:

    • Epistaxis (nosebleed) is a common clinical presentation.
    • Causes range from localized nasal issues to systemic diseases.
    • Effective management is critical to prevent complications.

    Purpose of the Study:

    • To outline practical strategies for managing epistaxis.
    • To emphasize the importance of equipment and organization.
    • To address acute epistaxis in the emergency room setting.

    Main Methods:

    • Review of established epistaxis management principles.
    • Emphasis on readily available, appropriate equipment.
    • Description of organized management protocols.

    Main Results:

    • Proper equipment and organized management are key to successful epistaxis control.
    • These factors help prevent exacerbation of patient trauma.
    • Practical steps for acute emergency room management are detailed.

    Conclusions:

    • Successful epistaxis management hinges on preparedness and systematic protocols.
    • This approach is vital for patient safety and effective treatment in acute settings.