相关实验视频
Updated: Sep 9, 2025

08:04
Murine Fetal Echocardiography
Published on: February 15, 2013
17.5K
颜色多普勒图案的识别在第一季度推扫描中表明先天性心脏缺陷
Valentina De Robertis1, Mariachiara Bosco1,2, Ilaria Fantasia1
1Fetal Medicine Unit, Department of Human Reproductive Medicine, 70131 Bari, Italy.
Diagnostics (Basel, Switzerland)
|August 28, 2025
概括
专家操作人员在第一季度扫描期间对胎儿心脏视图 (4CV和3VTV) 的解释达成高度一致. 然而,像心室不成比例这样的特殊异常存在解释挑战.
科学领域:
- 产前诊断
- 胎儿医学
- 心脏病学
背景情况:
- 在高危怀孕的第一季度扫描使用了包括胎儿心脏评估在内的扩展方案.
- 专业的胎儿医学人员进行这些扫描.
研究的目的:
- 评估在四室视图 (4CV) 和三血管和气管视图 (3VTV) 中的操作者之间的协议.
- 用颜色多普勒来评估正常和异常情况的一致性.
主要方法:
- 在90名胎儿 (45名先天性心脏病患者,45名对照患者) 中对4CV和3VTV的二维图像和视频片段进行了回顾.
- 两个独立的操作员和一个胎儿心脏病专家,
- 使用科恩的卡帕测量协议.
主要成果:
- 在正常情况下观察到的完美一致性 (Kappa = 1).
- 在先天性心脏病病例中,对4CV几乎完全一致 (卡帕=0.83-0.96) 和对3VTV相当一致 (卡帕=0.77-0.80).
- 对于心室不成比例 (4CV) 和血管数量/尺寸异常 (3VTV) 发现的最低一致性.
结论:
- 在第一季度扫描中,专家操作人员在解释4CV和3VTV方面表现出强烈的共识.
- 一些异常,特别是心室不成比例和血管异常,构成一致的解释挑战.
相关概念视频
Imaging Studies for Cardiovascular System II:Types of Echocardiography
395
Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
395
Dysrhythmias V: Evaluating Dysrhythmias
117
Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
117
Imaging Studies for Cardiovascular System III: X-Ray
297
The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
297
Assessing Blood pressure using a doppler ultrasound
1.6K
To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
1.6K
Imaging Studies for Cardiovascular System I:Echocardiography
476
Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
476
Fetal Circulation
1.4K
Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
1.4K

