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The last half of the T wave is referred to as the relative refractory period or vulnerable period. The T wave contains more information than the QT interval. The T wave can be described by its symmetry, skewness, slope of ascending and descending limbs, amplitude and subintervals like the T peak –T end interval. [1] In most leads, the T wave ...
Microvolt T wave alternans is a variant of T wave alternans that detects T wave alternans signals as small as one-millionth of a volt. Microvolt T wave alternans is defined as an alternation in the morphology of the T wave in an every other beat or AB-AB pattern. It has long been associated with ventricular arrhythmias and sudden death.
Wellens' syndrome is an electrocardiographic manifestation of critical proximal left anterior descending (LAD) coronary artery stenosis in people with unstable angina. ...
Terahertz waves lie mostly at the far end of the infrared band, the longest ones in the microwave band. Terahertz radiation – also known as submillimeter radiation, terahertz waves, tremendously high frequency [1] (THF), T-rays, T-waves, T-light, T-lux or THz – consists of electromagnetic waves within the International Telecommunication Union-designated band of frequencies from 0.1 to 10 ...
The term T-wave may refer to: T wave, a portion of the recording of a heartbeat in an electrocardiogram; Terahertz radiation, electromagnetic radiation in the microwave band; T wave (seismic), a form of seismic wave
By 11 a.m., Slebir had caught five or six rides on a series of 15- to 20-foot waves. “They weren’t big yet,” he says, “probably just an eighth of the size of came later in the afternoon
T wave: The T wave represents the repolarization of the ventricles. It is generally upright in all leads except aVR and lead V1. Inverted T waves can be a sign of myocardial ischemia, left ventricular hypertrophy, high intracranial pressure, or metabolic abnormalities. Peaked T waves can be a sign of hyperkalemia or very early myocardial ...
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