左心房中枢合合弦,它扰乱了中枢叶片的运动,并诱导了中枢回
Toru Kameda1, Tomohiro Mizuno1, Kota Kawada1
1Department of Cardiovascular Surgery, Toho University Omori Medical Center, Tokyo, Japan.
概括
一种罕见的先天性心脏缺陷,左心房中心膜 (LAMVC),可以导致中心膜吐. 这种异常带限制了 mitra 的传单运动,导致血液泄漏.
科学领域:
- 心脏病学 心脏病学
- 遗传性心脏病是一种先天性心脏病.
背景情况:
- 左心房中枢合管 (LAMVC) 是一种罕见的先天性心脏异常.
- 这种异常组织带附着在左心房壁和心心上,可能会扰乱小叶的运动并导致心心回 (MR).
研究的目的:
- 描述一个来自乳头肌肉的LAMVC独特病例.
- 为了说明这种特定的LAMVC变异引起的MR机制.
主要方法:
- 病例报告详细介绍了临床表现和心声回声学发现.
- 描述LAMVC的解剖学特征.
主要成果:
- 这种LAMVC起源于一个乳头肌肉,并附着在后面的 mitra annulus.
- 这种附着物限制了后额叶叶片的运动,导致显著的MR.
结论:
- LAMVC可以来自乳头肌肉,呈现出明显的解剖学变异.
- 由于LAMVC而导致的叶片运动受限是 mitrale 吐的直接原因.
相关概念视频
01:25Cardiovascular System Abnormal Findings II: Auscultation
86
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:
86
01:16Heart Valves
4.1K
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...
4.1K
01:26Imbalances in Cardiac Output
1.3K
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
1.3K
01:28Mechanism of Cardiac Arrhythmias
871
Arrhythmias are irregular heart rhythms occurring when the heart's electrical impulses become abnormal. These disturbances can lead to various symptoms, depending on their severity and the underlying cause. Some common factors contributing to arrhythmias include hypoxia, ischemia, electrolyte imbalances, excessive catecholamine exposure, drug toxicity, and muscle overstretching. Arrhythmias can be classified into two main types based on the rate and site of origin of abnormal heart rhythms.
871
01:28Disturbances in Heart Rhythm
857
Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow...
Arrhythmias are categorized by their speed, rhythm, and origin. A slow...
857