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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/77063完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 林世明(Shi-Ming Lin) | |
| dc.contributor.author | Shih-Wei Chiang | en |
| dc.contributor.author | 江士偉 | zh_TW |
| dc.date.accessioned | 2021-07-10T21:45:12Z | - |
| dc.date.available | 2021-07-10T21:45:12Z | - |
| dc.date.copyright | 2021-02-25 | |
| dc.date.issued | 2021 | |
| dc.date.submitted | 2021-02-02 | |
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Gettes MD, FAHA, FACC, “AHA/ACCF/HRS Recommendations for the Standardization and Interpretation of the Electrocardiogram Part IV: The ST Segment, T and U Waves”, Journal of the American College of Cardiology , Volume 53, Issue 11, 17 March 2009, Pages 982-991 56. Fulekar (Ed.), M.H. (2009) Bioinformatics: Applications in Life and Environmental Sciences, Springer (pp. 110) ISBN 1402088795 57. W.D. Lynn, O.J. Escalona, D.J. Mc. Eneaney ” Arm and wrist surface potential mapping for wearable ECG rhythm recording devices: a pilot clinical study “Journal of Physics: Conference Series 450 (2013) 012026 58. Kenneth Kearney; Chris Thomas; Eric McAdams” Quantification of Motion Artifact in ECG Electrode Design” 2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society 59. P. S. Doliwa, V. Frykman, and M. Rosenqvist, 'Short-term ECG for out of hospital detection of silent atrial fibrillation episodes,' Scandinavian Cardiovascular Journal, vol. 43, pp. 163-168, 2009. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/77063 | - |
| dc.description.abstract | 中文摘要 近幾年來國人十大死因，心臟疾病仍居榜上排名第二位。其中心律不整是常見的心臟疾病之一，會產生過快，過慢或是不規則的心跳。有心律不整的病患有可能會導致猝死或是其他疾病。另外急性心肌梗塞也會因提供心臟養分的冠狀動脈血液因灌流不足而導致心肌細胞缺氧、損傷或壞死，其嚴重時常常會導致死亡。心電圖是診斷心律不整與心肌梗塞的重要工具之一,可預防憾事發生。但檢查方式是使用十二導程的心電圖機台,一般民眾對於眾多的貼片的貼點位置不熟悉,且費時不方便使用及攜帶、判讀等。所以造成民眾疏於心電圖的生活化之健檢,以致於造成許多可防患未然卻未做之憾事。雖然目前市面上已有使用以肢體導程來作為穿戴式的心電圖量測的穿戴式產品,但其產品量測率不高且缺乏精準度,而且也都是隸屬於3C產品,不能真正來做為診斷的可靠依據。歸究於原因在於量測位置的合適性及電路硬體設計方式。本論文研究是採用肢體導程中的第一導程為基礎，從手指與手腕等三種不同位置去收集可行的生物心電圖（ECG）信號的可行性。並以自行設計的穿戴式裝置獲取心電圖數據，並透過市面上心電圖機所獲取心電圖數據與之分析及比較判定。最後來歸納出何種位置可輕易的量測出可靠之ECG信號。 未來若能參考本研究中實驗結果所討論所採用方法與位置，以及所建議之硬體電路，比如濾波放大等方式去擷取信號，設計開發出便利之穿戴式裝置，就可即時或連續監測心臟狀況，提高了臨床診斷與預防醫學之價值。 | zh_TW |
| dc.description.abstract | In recent years, the top ten causes of death among Taiwanese people, heart disease still ranks second on the list. Central arrhythmia is one of the common heart diseases, which can produce excessively fast, slow or irregular heartbeats. Patients with arrhythmia may cause sudden death or other diseases. In addition, acute myocardial infarction can also cause hypoxia, damage or necrosis of myocardial cells due to insufficient perfusion of the coronary blood that provides cardiac nutrients. In severe cases, it often leads to death. The electrocardiogram is one of the important tools for diagnosing the arrhythmia and myocardial infarction, which can prevent the occurrence of regrets. However, the inspection method is to use a twelve-lead ECG machine. The general public are not familiar with the placement of many patches, and it is time-consuming and inconvenient to use, carry, and interpret. As a result, the people are negligent in the daily health examination of the electrocardiogram, which has caused many regrets that can be prevented but not done. Although there are currently wearable products on the market that use limb leads as a wearable ECG measurement, their product measurement rate is not high and lacks accuracy, and they are all 3C products and cannot be really done. It is a reliable basis for diagnosis. The reason lies in the suitability of the measurement location and the way the circuit hardware is designed. In the future, if we can refer to the methods and locations discussed in the experimental results of this study and the recommended hardware circuits, such as filtering and amplifying methods to capture signals and design and develop convenient wearable devices, the heart can be monitored in real time or continuously. The condition has increased the value of clinical diagnosis and preventive medicine. | en |
| dc.description.provenance | Made available in DSpace on 2021-07-10T21:45:12Z (GMT). No. of bitstreams: 1 U0001-0202202112115000.pdf: 3492743 bytes, checksum: 96c30f6bbefa4031e266deaff794b52b (MD5) Previous issue date: 2021 | en |
| dc.description.tableofcontents | CONTENTS 誌謝 I 中文摘要 II ABSTRACT III CONTENTS IV LIST OF FIGURES VII LIST OF TABLES X Chapter 1 Introduction 1 1.1 Research motivation 1 1.2 Background 2 1.3 Aim of this work 4 1.4 The structure of the paper 5 Chapter 2 Theoretical Discussion on Cardiac Electrophysiology 7 2.1 Basic electrophysiology 7 2.2 Definition of electrical conduction system 10 2.2.1 SA Node 11 2.2.2 Atrial internode conduction path and Bachmann's bundle 12 2.2.3 AV Node 13 2.2.4 His Bundle 14 2.2.5 Left and Right Ventricle Bundle Branch 14 2.2.6 Purkinje Fiber System 15 2.3 Potential conduction system of the heart 17 2.4 The Heart rate 18 2.5 Plus 19 2.6 The history of ECG 20 2.7 The theories of ECG 22 2.8 The ECG Lead 25 2.8.1 Standard limb leads 27 2.8.2 Unipolar limb leads 28 2.8.3 Augmented limb leads 29 2.8.4 Chest leads 31 2.9 The significance of each waveform of ECG 34 Chapter 3 The circuit design and implementation of electrocardiogram 40 3.1 Flow chart 40 3.2 ECG circuit architecture 40 3.3 Instrumentation Amplifier 42 3.4 The op amp common-mode rejection ratio (CMRR) 44 3.5 Introduction to active filters 47 3.5.1 Low-pass filter 49 3.5.2 High-pass filter 51 3.6 Driven Right Leg 53 Chapter 4 Materials and Methods 55 4.1 Materilas 55 4.2 The parameters of ECG used in this experiment 57 4.3 Experimental equipment and procedures 58 4.4 Signal collection and analysis methods 63 4.4.1 Signal graph 64 4.4.2 Peak selection 65 4.4.3 Ratio calculation 66 Chapter 5. Experimental Results and Discussion 67 5.1 Characterization of study subjects 67 5.2 Experimental results 67 5.2.1 Experimental analysis results of experimental method A of this research 68 5.2.2 Experimental analysis results of experimental method B of this research 69 5.2.3 Experimental analysis results of experimental method C of this research 70 5.3 Discussion 72 5.3.1 Clinical parameters of recruited subjects 72 5.3.2 Skin variability 72 5.3.3 Power line interference and electrode contact noise 73 5.3.4 Motion artifact 74 5.4 Analysis, comparison and discussion of measurement results of three different positions 75 Chapter 6. Conclusion and Future Prospect 77 Reference 80 LIST OF FIGURES Figure 2.1 Myocardial action potential curve 10 Figure 2.2 The difference between the sinus node and other cardiomyocyte action potential curves 12 Figure 2.3 Electrophysiology of the heart. The different waveforms for each of the specialized cells 16 Figure 2.4 The ECG machine constructed by Willem Einthoven (1860-1927) 22 Figure 2.5 View of the standard limb leads and augmented leads 26 Figure 2.6 VR ,VL ,VF unipolar limb leads 29 Figure 2.7 aVR ,aVL,aVF augmented limb leads 29 Figure 2.8 Horizontal plane leads 33 Figure 2.9 Corresponding diagram of ECG waveform and heart movement 34 Figure 2.10 A repeat diagrammatic representation of two cardiac cycles as recorded on an ECG 39 Figure 3.1 The flow chart of ECG circuit board 40 Figure 3.2 The circuitry of electrocardiogram 41 Figure 3.3 Standard instrumentation amplifier circuit 43 Figure 3.4 Simplified dual-ended input operational amplifier model 47 Figure 3.5 Low-pass filter frequency response 49 Figure 3.6 First-order low pass filter (limit gain) 50 Figure 3.7 Second-order low pass filter (limit gain) 50 Figure 3.8 Third-order low pass filter 51 Figure 3.9 First-order high pass filter (limited gain) 52 Figure 3.10 Second-order high pass filter (limited gain) 52 Figure 3.11 Third-order high pass filter 53 Figure 3.12 ECG Amplifier with right-leg drive 54 Figure 4.1 3 M gel-filled foam tape electrode 55 Figure 4.2 3 M gel-filled foam tape electrode after cuttine 56 Figure 4.3 Silver/Silver chloride(Ag/AgCl) electrode, the AgCl quickly saturates and comes to equilibrium 56 Figure 4.4 Equivalent circuit model for the skin-electrode interface 57 Figure 4.5 Schematic diagram of three different electrode placement positions 59 Figure 4.6 Schematic diagram of autual measurement of method A 60 Figure 4.7 The schematic diagram of the front and back of the self-made ECG circuit board 60 Figure 4.8 FX7202 portable electrocardiograph machine’s front view 61 Figure 4.9 Oscilloscope of model MSO-X 4034A 61 Figure 4.10 Schematic diagram of the distance between the two electrode patches on the left middle finger 62 Figure 4.11 Schematic diagram of actual measurement of method B 62 Figure 4.12 Schematic diagram of actual measurement of method C 63 Figure 4.13 Import the CSV file obtained from MDI and its experiment into the graphics made by Matlab 64 Figure 4.14 Chart paper of experimental results of electrocardiograph 65 Figure 4.15 Schematic diagram of how to extract R, J, T points from ECG 65 Figure 4.16 The schematic diagram of the values of T-J and R-J expressions is taken from MDI 66 Figure 5.1 MDI and electrocardiograph using method A: linear regression analysis of T-J / R-J. 68 Figure 5.2 MDI and electrocardiograph using method B: linear regression analysis of T-J / R-J. 70 Figure 5.3 MDI and electrocardiograph used method C: linear regression analysis of T-J / R-J. 71 | |
| dc.language.iso | zh-TW | |
| dc.subject | 肢體導程 | zh_TW |
| dc.subject | 手指 | zh_TW |
| dc.subject | 接觸阻抗 | zh_TW |
| dc.subject | 穿戴式裝置 | zh_TW |
| dc.subject | 心電圖 | zh_TW |
| dc.subject | ECG | en |
| dc.subject | wearable device | en |
| dc.subject | contact impedance | en |
| dc.subject | finger | en |
| dc.subject | body lead | en |
| dc.title | 上肢特異量測點之心電訊號之研究 | zh_TW |
| dc.title | Study of Electrocardiac Signal on Specific Places of Upper Limbs | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 109-1 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 鄧致剛(Petrus Tang),賴信志(Hsin-Chih Lai) | |
| dc.subject.keyword | 心電圖,穿戴式裝置,接觸阻抗,手指,肢體導程, | zh_TW |
| dc.subject.keyword | ECG,wearable device,contact impedance,finger,body lead, | en |
| dc.relation.page | 83 | |
| dc.identifier.doi | 10.6342/NTU202100369 | |
| dc.rights.note | 未授權 | |
| dc.date.accepted | 2021-02-03 | |
| dc.contributor.author-college | 醫學院 | zh_TW |
| dc.contributor.author-dept | 醫療器材與醫學影像研究所 | zh_TW |
| 顯示於系所單位： | 醫療器材與醫學影像研究所 | |
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|---|---|---|---|
| U0001-0202202112115000.pdf 未授權公開取用 | 3.41 MB | Adobe PDF |
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