electrocardiography
TRANSCRIPT
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Technical Seminar Presentation-2004
Presented by : DEVANSHU PRAVEEN SAHOO (EI200119140)
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Presented By
Devanshu Praveen Sahoo Roll # EI 200119140
ELECTROCARDIOGRAPHY
Under the guidance of
Mr. Vivek Sharma
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Technical Seminar Presentation-2004
Presented by : DEVANSHU PRAVEEN SAHOO (EI200119140)
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OUTLINE• INTRODUCTION• FUNCTIONAL BLOCK• BLOCK DIAGRAM• PRINCIPLE OF OPERATION• THE NORMAL WAVEFORM• ECG RECORDER• RECORD PRINCIPLE• CARDIAC VECTOR• TYPES OF ECG RECORDER• CONCLUSION
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Technical Seminar Presentation-2004
Presented by : DEVANSHU PRAVEEN SAHOO (EI200119140)
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INTRODUCTION WHY ELECTROCARDIOGRAPHY IS USED
TO DIAGNOSE
• RHYTHEM DISTURBANCE
• CONDUCTION ABNORMALITIES• HYPERYROPHY• METABOLIC EFFECT• ISCHEMIC HEART DISEASE
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Technical Seminar Presentation-2004
Presented by : DEVANSHU PRAVEEN SAHOO (EI200119140)
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FUNCTIONAL BLOCKS
VARIOUS FUNCTIONAL BLOCKS ARE• PROTECTION CIRCUIT• LEAD SELECTOR• CALIBRATION SIGNAL• PREAMPLIFIER• ISOLATION CIRCUIT• DRIVEN RIGHT LEG CIRCUIT• DRIVER AMPLIFIER
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Technical Seminar Presentation-2004
Presented by : DEVANSHU PRAVEEN SAHOO (EI200119140)
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FUNCTIONAL BLOCK DIAGRAM
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Technical Seminar Presentation-2004
Presented by : DEVANSHU PRAVEEN SAHOO (EI200119140)
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PRINCIPLE OF OPERATION
• TWO IMPORTANT ASPECT
• THE CARDIAC CYCLE
• ECG TRACEING
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Technical Seminar Presentation-2004
Presented by : DEVANSHU PRAVEEN SAHOO (EI200119140)
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THE NORMAL WAVEFORM
SOME KEY TERMS•ACTION POTENTIAL
•BASE LINE
•DEPOLARIZATION
•POLARIZATION
•P- WAVE
•PR- INTERVAL
•QRS-COMPLEX
•REFRACTORY PERIOD
•T WAVE & REPOLARIZATION
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Technical Seminar Presentation-2004
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HEARTBEAT AS A WAVEFORM
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Technical Seminar Presentation-2004
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ECG RECORDER
TO RECORD AN ELECTROCARDIOGRAM TWO MAIN COMPONENTS ARE USED
• ELECTRODES• LEADS• ECG LEAD CONFIGURATION
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Technical Seminar Presentation-2004
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ECG RECORDER PRINCIPLE
DIGM
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Technical Seminar Presentation-2004
Presented by : DEVANSHU PRAVEEN SAHOO (EI200119140)
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CARDIAC VECTOR
• EITHOVEN TRINGLE
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Technical Seminar Presentation-2004
Presented by : DEVANSHU PRAVEEN SAHOO (EI200119140)
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TYPES OF ECG RECORDER
• SINGLE CHANNEL RECORDER
• THREE CHANNEL RECORDER
• VECTOR ELECTRO CARDIOGRAPH
• ELECTROCARDIOGRAPH SYSTEM FOR STRESS TESTING
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Technical Seminar Presentation-2004
Presented by : DEVANSHU PRAVEEN SAHOO (EI200119140)
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CONCLUSIONELECTROCARDIOGRAPHY IS REQUIRED TODETECT THE 1.ABNORMAL WAVE
MORPHOLOGY AND 2.THE ABNORMAL RYTHEM DETECTION IT IS ONE OF THE MOST FREQUENTLY USED DEVICE IN MEDICAL SCIENCE.
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Technical Seminar Presentation-2004
Presented by : DEVANSHU PRAVEEN SAHOO (EI200119140)
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