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相关概念视频

Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
Esophageal Varices-II: Clinical Features and Management01:28

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...

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相关实验视频

Updated: Jun 21, 2026

The Role of Anatomical Dissection in Defining Colic and Small Bowel Artery Lymphovascular Bundles in the D3 Volume of Small and Large Bowel Mesentery
05:43

The Role of Anatomical Dissection in Defining Colic and Small Bowel Artery Lymphovascular Bundles in the D3 Volume of Small and Large Bowel Mesentery

Published on: August 1, 2025

在莱里奇综合征中,腹腔大动脉自发切割出血瘤 (动脉动脉瘤);一个病例报告.

E I GOLDSMITH, I STEINBERG

    Circulation
    |August 1, 1964
    PubMed
    概括

    No abstract available in PubMed .

    关键词:
    血管造影术 (angiography) 是一种动脉造影.大动脉,腹腔内侧,腹腔内侧.动脉动脉动脉瘤 (AORTIC ANEURYSMSMSM) 是一种动脉动脉动脉.伊利亚克动脉 (ILIAC) 动脉莱里希综合征 (Leriche的综合征)外科手术,手术室

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