在检测前负载变化和心血管疾病的地震心脏图的评估:一个比较研究与 transthoracic 心脏回声图
Ahmad Agam1, Ali Agam2, Emil Korsgaard3
1Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark.
European heart journal. Digital health
|July 24, 2025
概括
地震心脏图 (SCG) 检测健康个体和心血管疾病 (CVD) 患者的预负载变化. 此外,SCG还区分了输液耐受和不耐受组,这表明可以检测透缩功能障碍.
科学领域:
- 心血管生理学心血管生理学
- 生物医学工程 生物医学工程
- 诊断技术 诊断技术 诊断技术
背景情况:
- 心血管疾病 (CVD) 诊断依赖于各种成像和生理测量.
- 地震心脏图 (SCG) 是一种非侵入性技术,记录了胸壁的机械振动.
- 研究SCG在评估血液动力学变化和区分患者群体方面的有用性至关重要.
研究的目的:
- 评估地震心脏图 (SCG) 检测负载条件变化的能力.
- 为了确定SCG信号是否在健康个体和心血管疾病 (CVD) 患者之间有所不同.
- 评估SCG在识别血液动力学变化和扩张功能障碍方面的潜力.
主要方法:
- 在26名受试者 (11名健康者,15名心血管疾病患者) 中使用了SCG和胸前回声心脏成像 (TTE).
- 在注入2升盐水之前和之后进行测量,以改变预加载.
- 分析重点是SCG幅度和时间间隔,比较组间的结果和输液耐受性.
主要成果:
- 输注后的SCG显示了幅度 (Ls,Dd,Ed) 和时间间隔的显著变化.
- 此外,TTE还揭示了输液后的中风体积,状环形速度和喷射时间的显著变化.
- SCG没有区分健康和心血管疾病群体,但区分了输液耐受和不耐受的受试者.
结论:
- 在健康和心血管疾病群体中,SCG有效地检测出预负载诱导的变化.
- SCG在输液耐受性和不耐受性组之间区分的能力表明了评估透缩功能障碍的潜力.
- SCG可能提供一种非侵入性的方法来评估左心室填充压力和血液动力学状态.
关键词:
扩张性功能障碍 扩张性功能障碍心声回声扫描 (Echocardiography) 是一种心声回声扫描.心脏衰竭是因为心脏衰竭.预装载 预装载地震心脏学图 (Seismocardiography) 是一种地震心脏学图.更多相关视频
09:32Continuous Venous-Arterial Doppler Ultrasound During a Preload Challenge
Published on: January 20, 2023
3.6K
11:50High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
Published on: July 9, 2010
24.3K
相关概念视频
01:20Imaging Studies for Cardiovascular System II:Types of Echocardiography
396
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...
396
01:17Imaging Studies for Cardiovascular System I:Echocardiography
492
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,...
492
01:22Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies
59
The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
59
01:30Acute Coronary Syndrome III: Diagnostic Studies
23
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
23
01:20Imaging Studies for Cardiovascular System III: X-Ray
298
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...
298
01:30Dysrhythmias V: Evaluating Dysrhythmias
118
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...
118