What is repolarization? - ProProfs Discuss
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What is repolarization?

Asked by John Adney, Last updated: Apr 10, 2024

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L. Agate

L. Agate

L. Agate
L. Agate

Answered Jan 05, 2021

Repolarization is a process that occurs in the muscle of the ventricles about 0.25 seconds after depolarization has taken place.

Repolarization is a wave represented in the electrocardiogram. Repolarization is restoring the polarized condition of the plasma membrane of a cell.

On a normal resting state, the membrane is on a negative value while but during depolarization of an action potential, the negative value changes to positive. Repolarization only occurs when the outward current exceeds the inward current; it results from the movement of a positively charged K+ions out of the cell.

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K. Shadrach

K. Shadrach

K. Shadrach
K. Shadrach

Answered Jan 04, 2021

Repolarization is a process that occurs in the muscle of the ventricles about 0.25 seconds after depolarization has taken place.

Repolarization is a wave represented in the electrocardiogram. Repolarization is restoring the polarized condition of the plasma membrane of a cell.

On a normal resting state, the membrane is on a negative value while but during depolarization of an action potential, the negative value changes to positive. Repolarization only occurs when the outward current exceeds the inward current; it results from the movement of a positively charged K+ions out of the cell.

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N. Reyes

N. Reyes

A good writer and orator as well.

N. Reyes
N. Reyes, Writer, B.ed, California

Answered Jan 03, 2021

Repolarization is an occurrence that happens in the body. When this happens, the internal charge of the heart is changed back in to a value that is negative. This act happens in the heart's right atrium and the atria cells will go through this process. There are different channels that are active when repolarization occurs.

This act does not make any mechanical activity start, but it does communicate with the different organs such as the muscles. Overall, repolarization is an important act that happens in the cells of organisms because it makes the membrane of the cell diffuse another nerve.

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F. Daniel

F. Daniel

I work for a California based MNC.

F. Daniel
F. Daniel, Content Optimization Executive, Diploma in Journalism, California

Answered Dec 22, 2020

When you say repolarization, you are referring to the type of process wherein the internal charge changes back to a negative value. This may sometimes happen in the heart. As you know, the heart has different atriums and ventricles. Repolarization usually occurs in the right atrium of the heart when the atria cells undergo this process. The different channels are normally active during this process.

The heart is responsible for making sure that blood is circulated all over the body. Organs that do not receive enough blood and oxygen may die so the heart is supposed to work the way that it should. The electrical signals from the heart will help manage the different processes that the heart needs to undergo to work properly.

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Yashu Dhiman

Yashu Dhiman

I'm a professional writer. I express through my blog and I keep searching for fresh content over the Internet.

Yashu Dhiman
Yashu Dhiman, Content Writer, Diploma in Literature, Noida, India

Answered Dec 22, 2020

Repolarization can be called an event. The occurrence through which the membrane potential is reconverted into the resting membrane follows the cell membrane's depolarization. Potassium ions move out of the cell, making the cell interior more negative. The repolarization process reestablishes the resting membrane potential.

Repolarization does not prompt any mechanical activity by communicating with the effector organs, such as muscles, unlike the depolarization event. Repolarization is vital to the cell of an organism. It allows it to make the cell membrane ready to diffusion a second nerve impulse by depolarizing for a second time.

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J. Harty

J. Harty

Have keen interest in writing, traveller by heart.

J. Harty
J. Harty, Writer, M.A, Chula Vista

Answered Dec 18, 2020

Repolarization describes the change in membrane potential that returns it to a negative value directly in the wake of the depolarization stage of an action potential, which has changed it positively. The most prevalent result of repolarization is the organization of positively charged ions out of the cell.

The repolarization phase of an action potential primarily results in hyperpolarization, attachment of membrane potential. After hyperpolarization, the membrane is more negative than the resting potential. Repolarization usually takes several milliseconds. It is a phase of an action potential in which the cell experiences a reduction of voltage due to the outflow of potassium ions along its electrochemical gradient.

This phase appears after the cell membrane potential. Potassium ions within and out of the cell are transferred by a sodium-potassium pump, guaranteeing that electrochemical equilibrium persists unreached to allow the cell to maintain a state of resting membrane potential.

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