相关实验视频

Updated: Jul 6, 2025

Implantation of Total Artificial Heart in Congenital Heart Disease
07:27

Implantation of Total Artificial Heart in Congenital Heart Disease

Published on: July 18, 2014

24.7K

患有威廉姆斯综合征的儿童的致命心脏功能障碍

Chihiro Kawai1, Hidehito Kondo2, Masashi Miyao1

  • 1Department of Forensic Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.

Legal medicine (Tokyo, Japan)
|December 28, 2023
PubMed
概括

婴儿突然心脏病死亡与威廉姆斯综合征 (WS) 有关,这是一种导致心脏异常的遗传疾病. 该案还涉及16p11.2删除,突出了对婴儿死亡率的复杂遗传贡献.

关键词:
16p11.2 删除综合征节律失常 (arrhythmia) 是一种心律失常.这是一种先天性异常.突然的心脏病死亡.在婴儿期突然意外死亡.膜上大动脉狭窄症

更多相关视频

Fetal Mouse Cardiovascular Imaging Using a High-frequency Ultrasound 30/45MHZ System07:34

Fetal Mouse Cardiovascular Imaging Using a High-frequency Ultrasound 30/45MHZ System

Published on: May 5, 2018

11.6K
Author Spotlight: Effect of Left Atrial Ligation on Avian Embryonic Hearts and HLHS Implications04:37

Author Spotlight: Effect of Left Atrial Ligation on Avian Embryonic Hearts and HLHS Implications

Published on: June 16, 2023

1.1K

相关概念视频

Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

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...
1.4K
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
1.6K
Pathophysiology of Cardiac Performance01:29

Pathophysiology of Cardiac Performance

Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...
671
Mechanism of Cardiac Arrhythmias01:28

Mechanism of Cardiac Arrhythmias

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.
923
Disturbances in Heart Rhythm01:28

Disturbances in Heart Rhythm

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...
963