相关实验视频
Updated: Jun 28, 2025

07:10
A Rabbit Aortic Valve Stenosis Model Induced by Direct Balloon Injury
Published on: March 31, 2023
1.0K
瑞士奶酪心脏:一个多个门穿孔的故事
Hussam Al Hennawi1, Shayan Iqbal Khan1, Aamna Khan1
1Jefferson Abington Hospital, Abington, Pennsylvania, US.
Methodist DeBakey cardiovascular journal
|April 15, 2024
概括
一个罕见的Gerbode缺陷,左心室和右心房之间的异常连接,被发现与多个门穿孔. 这一案例突出显示了一位患有双主动脉和内心炎的患者的独特表现.
科学领域:
- 心脏病学 心脏病学
- 心脏外科手术 心脏外科手术
- 医学案例报告 病例报告
背景情况:
- 格博德缺陷,左心室与右心房之间的异常连接,通常是先天性的,但可以获得.
- 双主动脉是一种常见的先天性心脏缺陷.
- 内心膜炎是一种心脏门的感染.
相关概念视频
Heart Valves
4.6K
The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
4.6K
Layers of the Heart Wall
2.4K
The heart wall comprises three distinct layers: the epicardium, myocardium, and endocardium. The outermost layer, the epicardium, is the visceral layer of the serous pericardium, featuring a thin, transparent mesothelial surface and an inner layer of areolar connective tissue with fat deposits that increase with age.
The myocardium, the thickest layer, consists of cardiac muscle cells interconnected by intercalated discs and crisscrossing connective tissue fibers. These muscle fibers contract...
The myocardium, the thickest layer, consists of cardiac muscle cells interconnected by intercalated discs and crisscrossing connective tissue fibers. These muscle fibers contract...
2.4K
Cardiovascular System Abnormal Findings II: Auscultation
139
Auscultation, an essential part of a heart examination, is done using a stethoscope. It provides crucial information about heart function and possible heart problems. Due to heart problems, abnormal sounds can be heard during systole or diastole. These sounds include S3 and S4 gallops, opening snaps, systolic clicks, and murmurs.
Abnormal Heart Sounds
Gallops:
Abnormal Heart Sounds
Gallops:
139
Heart Sounds
1.9K
Heart sounds are generated by the turbulence in blood flow due to the closing of heart valves. These sounds are best perceived slightly away from the valves, where the blood flow disseminates the sound.
Auscultation is the process of listening to these internal body sounds using a stethoscope. The heart produces four types of sounds, but only two—S1 and S2—can usually be heard with a stethoscope.
S1, also known as the "lub" sound, is caused by the closure of atrioventricular (A-V)...
Auscultation is the process of listening to these internal body sounds using a stethoscope. The heart produces four types of sounds, but only two—S1 and S2—can usually be heard with a stethoscope.
S1, also known as the "lub" sound, is caused by the closure of atrioventricular (A-V)...
1.9K
Esophageal Perforation-II: Clinical Manifestations and Management
58
Esophageal perforations manifest in various clinical forms, influenced by factors such as the perforation's cause and location (cervical, intrathoracic, or intra-abdominal), the extent of contamination, and potential injury to adjacent mediastinal structures. The timing between the perforation occurrence and treatment initiation also affects the clinical presentation.
Clinical Manifestations:
Clinical Manifestations:
58
Esophageal Perforation-I: Introduction
91
Esophageal perforation is a severe medical condition characterized by a breach in the integrity of the esophageal wall. This breach can occur due to various factors such as trauma, medical procedures, or underlying diseases. When the esophageal wall is compromised, it allows food, fluids, and digestive juices into the chest cavity or adjacent structures, leading to potential complications and health risks.
The location of esophageal perforation can vary, occurring anywhere along the esophagus....
The location of esophageal perforation can vary, occurring anywhere along the esophagus....
91

