Real Time ECG Signal Monitoring In LabVIEW Platform Using .

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IJSRD - International Journal for Scientific Research & Development Vol. 8, Issue 2, 2020 ISSN (online): 2321-0613Real Time ECG Signal Monitoring in LabVIEW platform Using ArduinoInterfacing for the PatientTasveer B. Prajapati1 Prof. Himanshu A. Patel2 Prof. Tejas V. Bhatt31M. Tech Research Scholar 2Associate Professor 3Assistant Professor1,2,3Department of Biomedical Engineering1,2,3U. V. Patel College of Engineering, Ganpat University, Gujarat, IndiaAbstract— Electrocardiogram (ECG) is the commoninterpretation technique for the measurement of heartactivity. Now a days ECG signal are widely used for thediagnosing clinical application because many people aresuffered from the heart disease. This paper leads todeveloping a real time ECG signal monitoring in LabVIEWsoftware using Arduino hardware for the patient and alsoprovide efficient and economical system for themeasurement of heart activity. Here, ECG signal is acquiredby the AD8232 sensor and Arduino UNO act as theanalogue to digital converter (ADC). LabVIEW is used forthe monitoring and stored the data of ECG signal.Keywords: ECG, LabVIEW, Arduino, Electrodes, ECGSignal Processingattached with the right arm and the third lead attached withthe left leg [3][4].I. INTRODUCTIONAn electrocardiogram is a test that checks how your heart isfunctioning by measuring the electrical activity of the heart.With each heartbeat, an electrical impulse (or wave) travelsthrough your heart. This wave causes the muscle to squeezeand pump blood from the heart. When the heart beat isnormal the ECG signal looks like as shown in the Fig.1.Fig. 2: Einthoven’s triangle [5]ECG is used for the diagnose following cardiacabnormalities such as Tachycardia, Bradycardia, AV block,Ventricular fibrillation and atrial fibrillation [6]. Thisresearch offers the different contribution like portable ECGmonitoring system under the Arduino Uno and AD8232sensor. The ECG data was stored and analyze through thelaptop/PC.II. SYSTEM ARCHITECTUREIn this research for signal processing we require ECG sensorAD8232, Arduino UNO, USB to TTL serial adapter, 3 leadelectrode cable, Surface electrode, LabVIEW software,Arduino IDE software and a power source. The functionalityand working of every part are described below.Fig. 1: Normal ECG wave [1]When the heartbeat is too fast, too slow, or beats inan irregular rhythm, it is known as a cardiac arrhythmia orabnormal heart rhythm, which is among the most commonof the heart disorders [2]. Abnormality of the heart causedarrhythmia. The proposed system of detecting ECG signal isnon invasive method. Now a days many methods are usedfor ECG signal detecting. For signal detecting we used anEinthoven’s triangle method for the detecting ECG signalfrom the patient which has three lead as shown in Fig.2.First lead is attached with the left arm, second lead isA. ECG sensor AD8232The AD8232 is an integrated signal processing block formeasurement of heart activity. AD8232 is designed toextract, amplify and filter bio potential signal in the noisycondition. The design allows low power (2 to 3.3 v)embedded controller to easily capture the output signal.Filtering of the data measured by the high and low passfilter. Also, AD8232 has built in amplifier for the right legdrive circuit. A high pass filter can reduce the original longtail phenomenon [7]. The AD8232 will automatically adjusthigh pass filter cutoff state so when we connected electrodeat that time measurement value show as soon as possible.Also, there is an LED indicator light that will pulsate to therhythm of a heartbeat.All rights reserved by www.ijsrd.com1044

Real Time ECG Signal Monitoring in LabVIEW platform Using Arduino Interfacing for the Patient(IJSRD/Vol. 8/Issue 2/2020/241)Fig. 5: USB to TTL serial adapterFig. 3: ECG Sensor AD8232B. Arduino Uno Board [7]The Arduino uno is an ATmega328 based microcontrollerboard. It has 6 analog input, 16 MHz ceramic resonator, 14digital input/output pins, power jack, USB connection, resetbutton and ICSP header. Arduino UNO is directly connectedwith the laptop/PC with the USB cable. Also, it works withthe 5v power supply. It does not use the FTDI USB to serialdriver chip which makes Arduino different from otheravailable board. AT mega 16U2 used for the directlycommunicate with the computer or laptop. In this researchwe use Arduino board because it has low cost, low powerconsumption and inbuilt ADC.D. 3 lead ECG electrode cableThis cable is used for the signal received from the humanbody and transmit signal to the ECG sensor module. In thiscable there is three different lead which are red, yellow andgreen. Position of three lead as below: Red: Right arm, just below the right clavicle Yellow: Left arm, just below the left clavicle Green: Left leg, on the lower chest, just above and leftof the umbilicus [9] [10]Fig. 6: Three lead ECG cableE. Surface electrodeThe use of the electrodes is to measure physical parameterof the patient body and convert into an electrical output.Here, we used round surface electrode which is shown infigure. It has an adhesive on the back, which helps theelectrode to stick firmly to the patient’s skin. On the surfaceelectrolyte gel is used because e it provides proper contactbetween skin and electrode.Fig. 4: Arduino Uno BoardFig. 7: Surface ElectrodeC. USB to TTL serial adapterThis converter based on CP2102 bridge and powered fromthe USB (universal serial bus) port. This module can be usedto upload Arduino sketches over receive and transmitprocess. This converter is used for the standard full duplexUSB port into a full duplex TTL (Transistor to transistorlogic) port and vice versa [8]. This adapter support data autosensing and adjusting. There is no need to setting baud rate.We used this device for providing receive input (Rx) andtransmit output (Tx) to the Arduino board.F. LabVIEW softwareLabVIEW (Laboratory Virtual Instrument EngineeringWorkbench) is a system-design platform and developmentenvironment for a visual programming language fromNational Instruments. It is a software package developed tobuild programs with the symbols. LabVIEW is programmedto act as an interface, helping different hardware tocommunicate with each other. Also, LabVIEW is used forsignal processing, data acquisition, signal transmission,signal analysis, instrument control, and industrialautomation on a different operating system.All rights reserved by www.ijsrd.com1045

Real Time ECG Signal Monitoring in LabVIEW platform Using Arduino Interfacing for the Patient(IJSRD/Vol. 8/Issue 2/2020/241)G. Arduino IDE softwareThe Arduino integrated development environment (IDE) is across-platform application (for Windows, macOS, andLinux) that is written in the programming language Java. Itis also open source software for writing easily code andupload code on the any Arduino board. Also, it supports Cand C language using special code structuring.III. METHODOLOGYTo extract the ECG signal we used here AD8232 andArduino UNO for signal acquisition and converting. Forinterfacing with the LabVIEW, we used TTL to USB serialadapter. The Arduino used to take values from the body withthe helps of ECG sensor. In a LabVIEW flat structure usedfor further signal processing [4]. An error handling functionis also used to handle different error when the error occursin the program. Basic block diagram of the ECG signalacquisition is shown in the below block diagram. We get theresult of ECG waves in LabVIEW front panel in the form ofgraphical representation.Fig. 9: ECG monitoring system setupThe procedure of electrical signal obtained fromthe body skin is shown in below figure.Fig. 10: Electrode placement on patientB. LabVIEW block diagramHere, is the block diagram and front panel of the LabVIEWsoftware which is used for the monitoring ECG of thepatient. The digital output of the ECG is transfer through theTTL to USB connector and Arduino uno board output whichare connected to the laptop via USB cable.Fig. 8: Block diagram of the ECG monitoring systemIV. EXPERIMENTAL SETUP AND RESULTSA. Experimental setupIn this ECG monitoring system, code is developed in theArduino IDE software and then upload in the Arduinoboard. To collect biopotential from the patient round surfaceelectrode attached with the skin and it is connected to theECG sensor via ECG cables as shown in below figure.All rights reserved by www.ijsrd.com1046

Real Time ECG Signal Monitoring in LabVIEW platform Using Arduino Interfacing for the Patient(IJSRD/Vol. 8/Issue 2/2020/241)Fig. 13: ECG signal monitoringV. CONCLUSION AND FUTURE WORKFig.11: LabVIEW Software block diagramC. Monitoring of ECGThis system is able to produce the result shown in fig.13,which shows the result of ECG signals. Also, the result canbe monitored in both digital and analog term. For the digitaloutput we use serial monitor from the Arduino IDE softwareand on another side for analog output we use the LabVIEWwaveform graph which is shown in figure 12 & 13.LabVIEW give real time data with accuracy. The datacollected from the software can be tabulated and it is usefulfor further diagnosis and thus data stored in PC viaLabVIEW stored data system.The proposed system is functioning well once allthe hardware connected properly. The whole system is veryreliable, portable and cost effective.Fig. 12: Experimental setupsIn this paper, the low-cost real-time ECG monitoring systemwas proposed and implemented. This system consumes lesspower compared to traditional technology. The hardware weused are commercially available and the softwareprogramming are described here. The proposed systemcould be modified and add more functions like Respirationrate, Temperature pulse rate, etc. ACKNOWLEDGEMENTI am taking this opportunity to express myprofound gratitude and deep regards to my guide Prof. TejasBhatt & Prof. Himanshu Patel for them exemplary guidance,monitoring and constant encouragement throughout thecourse of this research work. Funding for this project wasprovided by the Department of Biomedical Engineering,Ganpat University.REFERENCES[1] https://en.wikipedia.org/wiki/QRS complex#/media/File:SinusRhythmLabels.svg[2] Kiruba Nandhini1. K, Vidya. M, “Design of tional Journal of Innovations in Engineering andTechnology, Volume 12 Issue 2 January 2019[3] Deepak Yadav, KartikKaul, Aman Sharma, Prof. (Dr.)Janakkumar B. Patel, 3Manoj Pandey, “Real time ECGmonitoring system Using Arduino and LabVIEW”,2018 JETIR May 2018, Volume 5, Issue 5[4] Nina Djermanova, Marin Marinov, Borislav Ganev,Serafim TabakovandGeorgi Nikolov, “LabVIEW BasedECG Signal Acquisition and Analysis” Proc. XXVInternational Scientific Conference Electronics ET2016, September 12 - 14, 2016[5] https://www.pngitem.com/download/iihJohx 6] Dr. Channappa Bhyri, Nishat Banu A.M, “ECG SignalBased Heart Disease Detection Systemfor TelemedicineApplication Using LabVIEW”, International Journal ofResearch and Scientific Innovation (IJRSI), Volume IV,Issue IX, September 2017[7] Mohan Lal Sahu, Jigyasu Kumar Kaushal, “Real timehealth monitoring system using Arduino and LabVIEWwith GSM Technology”, International Journal ofAdvance Engineering and Research Development,ISNCESR 2017, March-2017[8] eAll rights reserved by www.ijsrd.com1047

Real Time ECG Signal Monitoring in LabVIEW platform Using Arduino Interfacing for the Patient(IJSRD/Vol. 8/Issue 2/2020/241)[9] Pema Wangmo, Goli Ramyavani, Kaustubh ShivkumarIyer, Karthik Raj V, “Two Electrode ECG And EOGSystem for Monitoring Applications”, InternationalJournal of Innovative Technology and ExploringEngineering, Volume-8 Issue-11, September 2019[10] Barbara J. Drew, RN, PhD, Chair, Robert M. Califf,MD, Marjorie Funk, RN, PhD, Elizabeth S. Kaufman,MD, Mitchell W. Krucoff, MD, Michael M. Laks, MD,Peter W. Macfarlane, DSc, FRCP, Claire Sommargren,RN, PhD, Steven Swiryn, MD, and George F. VanHare, MD,“Practice Standards for ElectrocardiographicMonitoring in Hospital Settings”, American Heartassociation,Volume 110, Issue 17, 26October2004, Pages 2721-2746All rights reserved by www.ijsrd.com1048

by the AD8232 sensor and Arduino UNO act as the analogue to digital converter (ADC). LabVIEW is used for the monitoring and stored the data of ECG signal. Keywords: ECG, LabVIEW, Arduino, Electrodes, ECG Signal Processing I. INTRODUCTION An electrocardiogram is a test that checks how your heart is

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