HBNET:一种混合组合模型,用于检测心血管异常,使用声心图
Ann Nita Netto1, Lizy Abraham1, Saji Philip2
1Department of Electronics and Communication Engineering, LBS Institute of Technology for Women, APJ Abdul Kalam Technological University, Trivandrum, India.
概括
这项研究介绍了HbNet,这是一种用于分类心脏声音的深度学习模型. 在成人和儿童中检测心脏病时,HbNet实现了高准确度,有助于早期诊断.
科学领域:
- 心脏病学 心脏病学
- 人工智能的人工智能
- 医学诊断 医学诊断 医学诊断
背景情况:
- 心脏病导致全球显著的死亡率.
- 早期检测和治疗对于管理心脏病状况至关重要.
- 在儿科心脏声音中区分功能和病理的声是具有挑战性的.
研究的目的:
- 开发一种新的混合组合模型,将成人和儿科心脏声音分为五类.
- 创建一个全面的5类儿科心电图 (PCG) 数据集,包括特定的缺陷和声.
- 提高心声分类的准确性和可靠性,以提供更好的诊断支持.
主要方法:
- 一个混合组合模型,HbNet (心跳网络),是使用混合CNN-BiLSTM和CNN-LSTM模型与Softmax回归开发的.
- 为了提取相关的音频信号特征,使用了Mel频率 Cepstral 系数 (MFCC).
- 该模型在成人和儿科心脏声音数据集上进行了训练和验证.
主要成果:
- 在成年人数据集上,HbNet实现了99.72%的准确度和99.3%的灵敏度,超过了现有的方法.
- 在一个儿科数据集上,HbNet显示了86.5%的准确性.
- 该模型以100%的精度检测到功能声.
结论:
- HbNet在早期发现心脏疾病方面表现出很高的疗效.
- 该模型可以作为医疗从业者的决策支持工具.
- 这种方法促进了早期的诊断和治疗,可能减少不必要的心声回声图.
相关概念视频
01:30Pulse rhythm
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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
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01:25Cardiovascular System Abnormal Findings II: Auscultation
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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:
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01:30Equipments Used To Measure Blood Pressure
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Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
972
01:25Assessment of the Cardiovascular System IV: Auscultation
330
Cardiac auscultation is a clinical skill used to assess heart function and detect abnormalities. It involves listening to heart sounds at specific anatomical locations through a stethoscope.
Normal Heart Sounds
S1 (First Heart Sound)-
S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
S2 (Second Heart Sound)-
S2 is made by the closure of the aortic and pulmonic valves (semilunar valves), marking the end of the systole.
Normal Heart Sounds
S1 (First Heart Sound)-
S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
S2 (Second Heart Sound)-
S2 is made by the closure of the aortic and pulmonic valves (semilunar valves), marking the end of the systole.
330
01:17Imaging Studies for Cardiovascular System I:Echocardiography
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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,...
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