EE 4BD4 Lecture 7 Recording Biopotential Fields. Need for Amplifiers 2.

Slides:

Advertisements

Similar presentations

BIOPOTENTIAL AMPLIFIERS

Advertisements

MIAMI Research Group Electrical and Computer Eng. Dept. MIAMI Medical Instrument Analysis and Machine Intelligence

EE-515 Bioelectricity & Biomagnetism 2002 Fall - Murat Eyüboğlu

ELECTROCARDIOGRAM (ECG)

EE93 – Medical Mobile Devices and Apps

Lecture 2 Physiology of the heart

ECE 501 Introduction to BME

Diagnostic electromagnetic equipment. Physical principles electrographic methods in the diagnosis of diseases.

Example Problem You are measuring the EEG of a patient and accidently choose two different types of electrodes for EEG lead. One of them has a source impedance.

نشرة المشترك من: Ar-bme.com ECG.

Co-ordination of the Cardiac Cycle Aims Describe how heart action is coordinated with reference to the sinoatrial node (SAN), the atrioventricular node.

Control of the cardiac cycle. Learning intentions Describe how heart action is coordinated with reference to the sinoatrial node, the atrioventricular.

DR. HANA OMER Electrical Conduction System. The Electrical Conduction System of the Heart Cardiac cells have four properties: Excitability: allows response.

ECG Dr Mahvash Khan MBBS, MPhil. The ECG is a record of the overall spread of electrical activity through the heart.

A Case of Dizziness A 68 year old female arrives at the emergency room in an ambulance. That evening she had been feeling “weak and dizzy” after ingesting.

The Heart Lecture Notes based on the textbook “Bioelectromagnetism” authored by Malmivuo & Plonsey, 1995 Nevzat G. Gençer, Fall 2004.

Biomedical Instrumentation Instructor: Dr. H. de Bruin

Figure 13.1 Block diagram of an asynchronous cardiac pacemaker

1 ECG Signal Make-up. 2 Biopotential Requirements n High Input Impedance –Minimum loading of the signal being measured –Minimum 10M  n Input circuit.

1 ELEC ENG 4BD4 Lecture 1 Biomedical Instrumentation Instructor: Dr. Hubert de Bruin de Bruin EE 4BD

Co-ordination of the Cardiac Cycle SBI3U. The heart is made of cardiac muscle. When the cells receive an electrical impulse they contract - causing a.

Biopotential Amplifier Speaker: Sun Shih-Yu 3/20, 2006.

CHAPTER I: CARDIAC EXCITATION Asst. Prof. Dr. Emre Hamurtekin EMU Faculty of Pharmacy.

Vital Signs Monitor UConn BME 4900 Vital Signs Monitor Purpose As the population ages, many people are required by their doctors to take vital signs.

The Hearts Electrical Activity

Cardiac Conduction  Autorhythmic: cardiac muscle cells depolarize at regular intervals  Cardiac Conduction system: cardiac cells that are specialized.

ECG Rhythm Interpretation Module I ECG Basics Share what you know, learn what you don’t.

Introduction to the EKG. Electricity of the Heart The contraction of any muscle is associated with electrical changes called depolarizations and can be.

Higher Human Biology. Cardiac Conducting System  The heart beat originates in the heart itself.  Heart muscle cells are self contractile  They are.

Electrical Activity of the Heart

The Heart Continued... Human heartbeats originate from the SA node near the right atrium. Cardiac muscle cells contract, sending a signal to other muscle.

Heart Beat and Blood Pressure. Heart Beat Animation ions/ ions/

PowerPoint ® Lecture Slides prepared by Janice Meeking, Mount Royal College C H A P T E R Copyright © 2010 Pearson Education, Inc. 18 The Cardiovascular.

Biomedical Instrumentation Electrophysiology (ENG-EMG)

Electrocardiograph. History Italian scientist Carlo Matteucci realizes that electricity is associated with the heart beat Irish scientist.

Portable Real Time ECG Design

Electrocardiography (ECG) Electrocardiogram  The tracing made by an electrocardiograph  Electrocardiograph an instrument for recording the changes.

EE 4BD4 Lecture 12 Electro-ocularogram EOG 1. 2 Other Theories Dipole is generated by a distribution of positive and negative charges in the retina only.

Engr. Hinesh Kumar (Lecturer) 1 Phonocardiography.

Dept. Of Applied Medical Sciences Medical Equipment Program Huriamila Community College King Saud University 1428 / 1429 Introduction to Medical Equipment.

Electrical Conduction pathway of the heart: heart beat is regulated by electrical impulses heart beat is regulated by electrical impulses.

12.2-Monitoring the Circulatory System SBI 3U1. The Cardiac Cycle systole = contraction diastole = relaxation The SA node sends out an electrical stimulus.

The Circulatory System Part II. 2 Heartbeat Systole: contraction Diastole: filling Normal rate: Slow: bradycardia Fast: tachycardia ***Note: blood.

Physiologic signals Lecture (2).

Course Website: PD233: Design of Biomedical Devices and Systems (Lecture-7 Biopotentials 2) Dr. Manish Arora CPDM,

The Cardiac Conduction System

ECG & EKG Julie, Kiley, Megan.

Выполнил Финк Эдуард Студент 182 группы ОМ

Circulatory System Conductive Pathway

Pacemaker II Lecture (6).

Control of Heart Contractions

ECG ECG is a test that displays the electrical activity of heart muscles over a period of time. Detected with the help of electrodes attached to the outer.

Journal#2: Damage to the semilunar valve on the right side of the heart would affect blood flow to which vessel? Objective: Explain the events of the.

ELECTRICITY WITHIN THE BODY

CARDIAC PACEMAKER A cardiac pacemaker is an electric stimulator that produces electric pulses that are conducted to electrodes normally located within.

The Cardiac Conduction System

Do Now 3/31 PALLIATE (PAL ee ayt) v.

Biomedical Instruments Design Biopotential Amplifiers 1.

Biomedical Instrumentation Electrophysiology (ENG-EMG)

LAB 7 ELECTROCARDIOGRAM.

Heart Beat and Blood Pressure

Cardiac conduction system Cardiac conduction system. All cells of the cardiac conduction system are autorhythmic, and can depolarize and generate.

It Keeps On Beating Name of PowerPoint Name of Course Name of Lesson

Journal#2: Damage to the semilunar valve on the right side of the heart would affect blood flow to which vessel? Objective: Explain the events of the.

The Cardiac Conduction System

Heart Conduction and Contraction

Presentation transcript:

EE 4BD4 Lecture 7 Recording Biopotential Fields

Need for Amplifiers 2

3 Sources of 60 Hz

4 Effects of Electrode Impedance Mismatch

5 Mismatch Cont’d and Motion Artifact

6 Effects of Electrode Spacing

7 Common Mode Electrophysiological Signals (cont’d) Effect of Electrode Orientation to Generator

8 Instrumentation in Cardiology The major cellular components of the heart are:  working muscle of the atria & ventricles  specialized conduction cells  pacemaker cells

9 ECG measurement and analysis (cont.): Analysis of the heart vector is achieved by considering the geometry of the standard leads and the corresponding lead vectors.

10 Recorded ECG Signal

11 Effects of Electrode Size