Computing the Electrical Activity in the Heart (Monographs in Computational Science and Engineering) by Joakim Sundnes

Cover of: Computing the Electrical Activity in the Heart (Monographs in Computational Science and Engineering) | Joakim Sundnes

Published by Springer .

Written in English

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Subjects:

  • Cardiovascular medicine,
  • Cardiology,
  • Medical,
  • Mathematics,
  • Applied,
  • Life Sciences - Biology - General,
  • Mathematics / Applied,
  • computational biology,
  • heart simulations,
  • inverse problems,
  • partial differential equations,
  • scientific computing

Book details

The Physical Object
FormatHardcover
Number of Pages324
ID Numbers
Open LibraryOL9056458M
ISBN 103540334327
ISBN 109783540334323

Download Computing the Electrical Activity in the Heart (Monographs in Computational Science and Engineering)

This book describes mathematical models and numerical techniques for simulating the electrical activity in the heart. The book gives an introduction to the most important models of the field, followed by a detailed description of numerical techniques for the models/5(2).

This book describes mathematical models and numerical techniques for simulating the electrical activity in the heart. The book gives an introduction to the most important models of the field, followed by a detailed description of numerical techniques for the : Springer-Verlag Berlin Heidelberg.

Computing the Electrical Activity in the Heart. This book describes mathematical models and numerical techniques for simulating the electrical activity in the heart.

The book gives an introduction to the most important models of the field, followed by a. This book describes mathematical models and numerical techniques for simulating the electrical activity in the heart.

It gives an introduction to the most important models, followed by a detailed description of numerical techniques. Particular focus is on efficient numerical methods for large scale simulations on both scalar and parallel computers.

Computing the Electrical Activity in the Heart With 99 Figures and 23 Tables Springer. Table of Contents 1 Physiological Background 1 The Electrocardiogram 2 Physics and Physiology 5 Cellular Electrical Activity 9 Signal Conduction 11 Diagnosis and the Inverse Problem 12 Computing the Size and Location of a.

Mathematically Modelling The Electrical Activity Of The Heart: From Cell To Body Surface And Back Again. This bar-code number lets you verify that you're getting exactly the right version or edition of a book.

The digit and digit formats both work. Use the 4/5(1). DOI: / Corpus ID: Computing the electrical activity in the heart @inproceedings{SundnesComputingTE, title={Computing the electrical activity in the heart}, author={Joakim Sundnes}, year={} }.

The ECG is an important tool for the clinician in that it changes characteristically in a number of pathological conditions.

A motivation for simulating the electrical activity in the heart is to gain a better understanding of the relationship between the ECG signal and the condition of the by: The sequence of electrical activity within the heart is displayed in the diagrams above and occurs as follows: As the SA node fires, each electrical impulse travels through the right and left atrium.

Computing the electrical activity in the heart. [Joakim Sundnes;] -- "This book describes mathematical models and numerical techniques for simulating the electrical activity in the heart.

The book gives an introduction to the most important models of the field. The book will provide full basic coverage of the fundamentals of modeling of electrical activity in various human organs, such as heart and brain. It will include details of bioelectromagnetic measurements and source imaging technologies, as well as biomedical applications.

The way in which the electrical activity takes place in the heart is as follows. When the sino - atrial node fires the electrical impulse goes through both the left and right atrium, this then causes both chambers to contract.

When this happens this activity on an ECG would be known as the 'P' : Anita Palmer. 2) Conducting cells = conduct electrical signal (AP) from one part of the heart to another. Found in bundle of His, bundle branches, and Purkinje fibers 3) Contracting cells = generate pressure within the heart and pump blood out of the heart.

These cells make up most of the cells in. ELECTRICAL ACTIVITY OF THE HEART A. Atrial Activation The duration of the P wave is important in correlative studies in clinical electrocardiography, in the use of the electrocardiogram to time physiologic events such as heart sounds and vascular pressure Author: C.A.

Caceres. The electrical activity of the heart IP3 receptor modulation of the atrioventricular node. Jules Hancox (lead researcher) Bristol, University of. Start date: 01 October (Duration 2 years) Our heart is divided into four chambers – two upper ‘atria’ and two lower ‘ventricles’.

The electrical activity of the heart: the electrocardiogram Fig. Diagram of the effective position of the bipolar (standard) leads. In lead I, the positive electrode is attached to the left arm and the negative to the right arm. In effect, lead I is the sum of the potentials from the left arm with those that would be obtained.

Electrical activity of the heart 1. Electrical activity of the heartElectrical activity of the heart 2. Ventricullar fibrillation Is a condition in which the hearts electrical activity becomes disordered Collapse and sudden death will follow in minutes unless.

In order to speed up the heart rate and restore full sinus rhythm, a cardiologist can implant an artificial pacemaker, which delivers electrical impulses to the heart muscle to ensure that the heart continues to contract and pump blood effectively.

These artificial pacemakers are programmable by the cardiologists and can either provide. The sino-atrial node then generates the next electrical impulse. In this way, electrical activity of the heart can result in contraction and relaxation of the heart muscle. The electrocardiogram.

The electrical activity of the heart can be studied to a test called as the electrocardiogram. If you wish to read more about this, click here. The heart generates its own electrical signal (also called an electrical impulse), which can be recorded by placing electrodes on the chest. This is called an electrocardiogram (ECG, or EKG).

The cardiac electrical signal controls the heartbeat in two ways. 1. Electrical Activity of the Heart By SATHISHKUMAR G ([email protected]) 2.

Outline • Overview of the cardiovascular system. • Review of nerve action potentials. • Action potential propagation through the heart. • ECG 3. Learning Objectives • Describe the course of a cardiac impulse through the heart.

In the event that the electrical activity of the heart is severely disrupted, cessation of electrical activity or fibrillation may occur. In fibrillation, the heart beats in a wild, uncontrolled manner, which prevents it from being able to pump effectively.

Monographs in Computational Science and Engineering Ser.: Computing the Electrical Activity in the Heart by Glenn Terje Lines, Kent-Andre Mardal, Joakim Sundnes, Xing Cai and Bjørn Frederik Nielsen (Trade Paper) Be the first to write a review. About this product.

Exercise and strenuous physical activity increases electrical activity as the heart is required to beat faster so as to increase the supply of blood and oxygen to the muscles.

Sleep and rest reduce heart rate as the body is not needed to exert itself. An electrocardiogram, or ECG, looks at your heart’s rate, rhythm and electrical activity. In the first of our new series, Professor Peter Macfarlane tells Senior Cardiac Nurse Emily Reeve what this simple test involves.

You don’t need to do anything to prepare for an electrocardiogram The ECG is. A doctor observes a graph that shows the electrical activity (in volts) of the heart of a patient over a period of time (in seconds).

Each local maximum of volts corresponds to one heartbeat. The doctor needs to calculate the heart rate of the patient in beats per minute. This is mediated by the autonomic nervous system. The fourth is we want to relate the activity of a single cardiac myocyte to the entire electrical activity of the whole heart.

And understand how a cardiologist can view the electrical activity of the entire heart on what's known as the electrocardiogram. So, we have several things to deal with. It is important to understand how cardiac physiology is intertwined with other organ systems and how pathophysiology relates back to simple gross physiology.

Cardiac physiology is one of the most important pieces of medical knowledge in healthcare. The cardiovascular system is constantly adapting to maintain homeostasis in the body, specifically to maintain oxygen perfusion of tissues.

Study 73 Electrical Activity of the Heart I flashcards from Zach S. on StudyBlue. Electrical Activity of the Heart I - Physiology with Eltit at Virginia Commonwealth University - StudyBlue Flashcards.

depolarization refers to what phase of the heart. contracting. depolarization is a blank activity that causes myocardial cells to blank. electrical, contract. repolarization refers to the blank phase of the heart.

relaxation. repolarization is a blank activity that causes myocardial cells to blank. electrical, relax. The electrocardiogram (ECG) records from the body surface and registers the differences in electrical potential generated by the heart.

The signal recorded is determined by action potentials generated by millions of individual cells and their sequence of activation. A multitude of factors, both cardiac and extracardiac, alter the final electrical signal. The heart's electrical system.

The atria and ventricles work together, alternately contracting and relaxing to pump blood through your heart. The electrical system of your heart is the power source that makes this possible. Your heartbeat is triggered by electrical impulses that travel down a special pathway through your heart.

If the "heart beat stops," then the heart is really not "functioning" exactly. There may be some electrical activity going on in/around the heart after the heart beat stops, but the length that. the heart is an essential pumping organ in the cardiovascular system where the right heart pumps deoxygenated blood (returned from body tissues) to the lungs for gas exchange, while the left heart pumps oxygenated blood (returned from the lungs) to tissues cells for sustaining cellular respiration.

Attached to the heart is blood vessels File Size: KB. Electrical activity of the heart. Depolarisation and Repolarisation. The heart cannot pump unless there is electrical stimulus first.

As these electrical impulses are initiated from the Sinoatrial node (SA) node and travel in wave form through the heart, a cyclic process of depolarisation and repolarisation occurs.

represents the majority of the electrical activity of the heart, you can approximate the mean electrical axis by looking only in this interval, first at the R wave amplitude, and then at the combined amplitudes of the Q, R, and S waves.

The resultant vector, called the QRS axis, approximates the mean electrical axis of the heart. Fig. File Size: KB. Electrical Activity of the Heart Central Texas College BIOL Chelsea Barker, MS Pacemakers of the Heart Waves of depolarization through autorhythmic cells – PowerPoint PPT presentation Computing the electrical activity in the human heart - ECG is the most important tool to diagnose heart.

The heart’s activity is coordinated by electrical impulses. The electrical signal begins at the sino-atrial (or sinus, SA) node — the heart’s pacemaker, positioned at the top of the right.

Chapter 19 Electrical Activity of the Heart StudentHelp4AP. Electrical system of the heart Electrical Activity of the Heart. Electrical signals arising in the SA node (located in the right atrium) stimulate the atria to the signals travel to the atrioventricular node (AV node), which is located in the interatrial a delay, the electrical signal diverges and is conducted through the left and right bundle of His to the respective Purkinje fibers for each side of the heart, as well as to the FMA:.

The electrical activity of the heart can be observed from the horizontal plane and the frontal plane. The ability of a lead to detect vectors in a certain plane depend on how the lead is angled in relation to the plane, which in turn depend on the placement of the exploring lead and the reference point/5(12).An electrocardiogram — abbreviated as EKG or ECG — is a test that measures the electrical activity of the heartbeat.

With each beat, an electrical impulse (or “wave”) travels through the heart. This wave causes the muscle to squeeze and pump blood from the heart.

A normal heartbeat on ECG will show the timing of the top and lower chambers.Heart disease is the number one killer in the United States according to The National Institute of Health Medline Plus website 3.

The electrocardiogram is a valuable tool in combating and identifying elements of heart disease 2 3. An electrocardiogram, also called EKG or ECG, is used to detect and identify problems with heart function EKG provides information about the electrical.

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