• Thumbnail for T wave
    electrocardiography, the T wave represents the repolarization of the ventricles. The interval from the beginning of the QRS complex to the apex of the T wave is referred...
    14 KB (1,763 words) - 13:05, 3 April 2024
  • The term T-wave may refer to: T wave, a portion of the recording of a heartbeat in an electrocardiogram Terahertz radiation, electromagnetic radiation...
    257 bytes (68 words) - 04:50, 3 December 2015
  • Thumbnail for 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) TWA was first...
    15 KB (2,042 words) - 09:46, 6 January 2022
  • Thumbnail for Wave
    where the wave amplitude appears smaller or even zero. Waves are often described by a wave equation (standing wave field of two opposite waves) or a one-way...
    61 KB (7,929 words) - 21:44, 14 April 2024
  • Thumbnail for QRS complex
    QRS complex (redirect from R-wave)
    the P wave. An R wave follows as an upward deflection, and the S wave is any downward deflection after the R wave. The T wave follows the S wave, and in...
    18 KB (1,923 words) - 03:34, 8 April 2024
  • Thumbnail for Longitudinal wave
    also support. "Longitudinal waves" and "transverse waves" have been abbreviated by some authors as "L-waves" and "T-waves", respectively, for their own...
    10 KB (1,210 words) - 16:30, 26 November 2023
  • Thumbnail for Terahertz radiation
    radiation, terahertz waves, tremendously high frequency (THF), T-rays, T-waves, T-light, T-lux or THz – consists of electromagnetic waves within the ITU-designated...
    65 KB (6,782 words) - 19:08, 21 March 2024
  • Thumbnail for U wave
    The U wave is a wave on an electrocardiogram (ECG). It comes after the T wave of ventricular repolarization and may not always be observed as a result...
    7 KB (987 words) - 01:55, 16 December 2023
  • Thumbnail for Electrocardiography
    ECG: The P wave, which represents depolarization of the atria. The QRS complex, which represents depolarization of the ventricles. The T wave, which represents...
    89 KB (9,808 words) - 11:13, 9 April 2024
  • Thumbnail for Wave power
    desalination, or pumping water. A machine that exploits wave power is a wave energy converter (WEC). Waves are generated primarily by wind passing over the sea's...
    54 KB (5,952 words) - 15:49, 13 April 2024
  • Thumbnail for ST segment
    In electrocardiography, the ST segment connects the QRS complex and the T wave and has a duration of 0.005 to 0.150 sec (5 to 150 ms). It starts at the...
    3 KB (310 words) - 18:26, 28 February 2024
  • Thumbnail for Sawtooth wave
    triangle wave. The equivalent piecewise linear functions x(t)=t−⌊t⌋{\displaystyle x(t)=t-\lfloor t\rfloor } x(t)=tmod1{\displaystyle x(t)=t{\bmod {1}}}...
    9 KB (1,076 words) - 20:37, 22 March 2024
  • In physics, a plane wave is a special case of wave or field: a physical quantity whose value, at any moment, is constant through any plane that is perpendicular...
    7 KB (1,110 words) - 10:25, 28 March 2024
  • Thumbnail for P wave (electrocardiography)
    The P wave on the ECG represents atrial depolarization, which results in atrial contraction, or atrial systole. The P wave is a summation wave generated...
    6 KB (677 words) - 14:38, 6 December 2023
  • Thumbnail for Tsunami
    Tsunami (redirect from Tsunami wave train)
    tsunami (/(t)suːˈnɑːmi, (t)sʊˈ-/ (t)soo-NAH-mee, (t)suu-; from Japanese: 津波, lit. 'harbour wave', pronounced [tsɯnami]) is a series of waves in a water...
    63 KB (7,338 words) - 08:25, 8 April 2024
  • Thumbnail for J wave
    A J wave — also known as Osborn wave, camel-hump sign, late delta wave, hathook junction, hypothermic wave, K wave, H wave or current of injury — is an...
    5 KB (470 words) - 02:01, 7 April 2024
  • Thumbnail for Pulmonary embolism
    large PEs – the classic signs are a large S wave in lead I, a large Q wave in lead III, and an inverted T wave in lead III (S1Q3T3), which occurs in 12–50%...
    86 KB (9,695 words) - 22:56, 17 April 2024
  • Thumbnail for Torsades de pointes
    Torsades de pointes (redirect from R on T)
    (represented by the latter half of the T-wave). An R-on-T can initiate torsades. Sometimes, pathologic T-U waves may be seen in the ECG before the initiation...
    26 KB (2,983 words) - 10:57, 22 March 2024
  • Thumbnail for QT interval
    heart. It is calculated as the time from the start of the Q wave to the end of the T wave, and approximates to the time taken from when the cardiac ventricles...
    29 KB (3,256 words) - 03:00, 7 April 2024
  • Thumbnail for ST elevation
    (termination of QRS complex and the beginning of ST segment) and ends with the T wave. The ST segment is the plateau phase, in which the majority of the myocardial...
    8 KB (870 words) - 05:26, 20 July 2022
  • This is a list of wave topics. Contents:  Top 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z...
    10 KB (37 words) - 10:52, 7 November 2023
  • Thumbnail for Wave function
    wave function (or wavefunction) is a mathematical description of the quantum state of an isolated quantum system. The most common symbols for a wave function...
    99 KB (13,534 words) - 13:10, 15 April 2024
  • Thumbnail for Wave equation
    The wave equation is a second-order linear partial differential equation for the description of waves or standing wave fields such as mechanical waves (e...
    60 KB (9,425 words) - 01:45, 31 March 2024
  • Thumbnail for Wellens' syndrome
    considered an evolving wave form, initially of biphasic T wave inversions and later becoming symmetrical, often deep (>2 mm), T wave inversions in the anterior...
    5 KB (502 words) - 15:51, 30 October 2021
  • Thumbnail for Sine wave
    A sine wave, sinusoidal wave, or sinusoid (symbol: ∿) is a periodic wave whose waveform (shape) is the trigonometric sine function. In mechanics, as a...
    10 KB (1,287 words) - 06:12, 25 March 2024
  • Thumbnail for Standing wave
    In physics, a standing wave, also known as a stationary wave, is a wave that oscillates in time but whose peak amplitude profile does not move in space...
    47 KB (6,292 words) - 18:09, 10 November 2023
  • Thumbnail for Rogue wave
    Rogue waves (also known as freak waves, monster waves, episodic waves, killer waves, extreme waves, and abnormal waves) are unusually large and unpredictable...
    111 KB (12,286 words) - 18:29, 11 April 2024
  • Thumbnail for Pan–Tompkins algorithm
    composed by a downward deflection (Q wave), a high upward deflection (R wave) and a final downward deflection (S wave). The Pan–Tompkins algorithm applies...
    11 KB (1,577 words) - 17:01, 10 January 2024
  • electromagnetic wave equation is a second-order partial differential equation that describes the propagation of electromagnetic waves through a medium...
    21 KB (2,921 words) - 13:45, 23 June 2023
  • Thumbnail for Right bundle branch block
    "slurred" S wave). The T wave should be deflected opposite the terminal deflection of the QRS complex. This is known as appropriate T wave discordance...
    11 KB (975 words) - 06:25, 29 March 2024