Related Experiment Video
Updated: Aug 11, 2026

08:27
A New Hybrid Quantitative Evaluation Model for Axillary Junctional Hemorrhage in Swine
Published on: December 6, 2024
Differential diagnosis and management of unexplained bleeding
1Department of Surgery, Harper Hospital, Detroit, Michigan.
The Surgical Clinics of North America
|April 1, 1993
Summary
This review covers normal hemostasis, bleeding causes, and pre-operative coagulation evaluation. It also details strategies for managing intraoperative bleeding disorders.
Area of Science:
- Medical Science
- Hematology
- Surgical Hemostasis
Background:
- Hemostasis is a complex physiological process crucial for preventing excessive blood loss.
- Bleeding disorders can arise from congenital or acquired conditions, posing significant risks during surgery.
Purpose of the Study:
- To provide a comprehensive overview of normal hemostasis.
- To discuss the etiology of bleeding disorders.
- To outline pre-operative and intraoperative management strategies for bleeding.
Main Methods:
- Review of normal hemostasis mechanisms.
- Discussion of congenital and acquired bleeding disorder causes.
- Outline of pre-operative coagulation assessment methods.
- Strategy for intraoperative bleeding diagnosis and management.
Main Results:
- Understanding normal hemostasis is key to identifying abnormalities.
- Various congenital and acquired conditions can lead to bleeding.
- Systematic pre-operative evaluation aids in risk stratification.
- A structured approach to intraoperative bleeding is essential for patient safety.
Conclusions:
- Effective management of surgical bleeding requires a thorough understanding of hemostasis.
- Pre-operative assessment and intraoperative vigilance are critical for mitigating bleeding risks.
- Appropriate interventions can significantly improve outcomes for patients with bleeding disorders.
Related Concept Videos
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.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
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...
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...
Esophageal Varices-II: Clinical Features and Management
Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
Venous Thrombosis IV: Nursing Management
Nursing management begins with a thorough assessment of the patient's health history. Key factors include trauma to veins, peripherally inserted central catheters, varicose veins, recent pregnancy or childbirth, surgery, bacteremia, prolonged bed rest, atrial fibrillation, COPD, heart failure, cancer, coagulation disorders, myocardial infarction, spinal cord injury, stroke, prolonged travel, recent bone fractures, and dehydration. Review medication intake, particularly oral contraceptives,...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care
Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
Hemorrhagic Stroke l: Introduction
A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...