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T wave alternans

Index T wave alternans

T wave alternans (TWA) is a periodic beat-to-beat variation in the amplitude or shape of the T wave in an electrocardiogram (ECG or EKG). [1]

14 relations: Amplitude, Cardiac arrest, Case Western Reserve University, Cleveland, Defibrillation, Electrocardiography, Euclidean vector, Glenn Research Center, Heart, Heart arrhythmia, Myocardial infarction, NASA, T wave, Ventricular tachycardia.

Amplitude

The amplitude of a periodic variable is a measure of its change over a single period (such as time or spatial period).

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Cardiac arrest

Cardiac arrest is a sudden loss of blood flow resulting from the failure of the heart to effectively pump.

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Case Western Reserve University

Case Western Reserve University (also known as Case Western Reserve, Case Western, Case, and CWRU) is a private doctorate-granting university in Cleveland, Ohio.

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Cleveland

Cleveland is a city in the U.S. state of Ohio, and the county seat of Cuyahoga County.

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Defibrillation

Defibrillation is a treatment for life-threatening cardiac dysrhythmias, specifically ventricular fibrillation (VF) and non-perfusing ventricular tachycardia (VT).

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Electrocardiography

Electrocardiography (ECG or EKG) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on the skin.

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Euclidean vector

In mathematics, physics, and engineering, a Euclidean vector (sometimes called a geometric or spatial vector, or—as here—simply a vector) is a geometric object that has magnitude (or length) and direction.

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Glenn Research Center

NASA John H. Glenn Research Center at Lewis Field is a NASA center, located within the cities of Brook Park and Cleveland between Cleveland Hopkins International Airport and the Rocky River Reservation of Cleveland Metroparks, with a subsidiary facility in Sandusky, Ohio.

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Heart

The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.

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Heart arrhythmia

Heart arrhythmia (also known as arrhythmia, dysrhythmia, or irregular heartbeat) is a group of conditions in which the heartbeat is irregular, too fast, or too slow.

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Myocardial infarction

Myocardial infarction (MI), commonly known as a heart attack, occurs when blood flow decreases or stops to a part of the heart, causing damage to the heart muscle.

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NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

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T wave

In electrocardiography, the T wave represents the repolarization, or recovery, of the ventricles.

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Ventricular tachycardia

Ventricular tachycardia (V-tach or VT) is a type of regular and fast heart rate that arises from improper electrical activity in the ventricles of the heart.

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Redirects here:

MTWA, Microvolt T wave Alternans, Microvolt T-wave Alternans, T-wave alternans.

References

[1] https://en.wikipedia.org/wiki/T_wave_alternans

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