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Topic: T wave

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QT interval

Electrocardiogram

Arrhythmia

Hyperkalemia

Cardiovascular disease

Heart block

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	New Page
		T waves will usually be abnormal in ventricular hypertrophy, left bundle branch block, chronic pericarditis, and in electrolyte abnormality.
		Inverted T waves are seen during the evolution of myocardial infarction.
		The T wave tends to be oriented opposite the QRS in LBBB.
	www.madsci.com /manu/ekg_st-t.htm (1368 words)

	Myocardial Ischemia, Injury and Infarction
		The Q wave appears when the infarcted muscle is electrically inert and the loss of forces normally generated by the infarcted area leaves unbalanced forces of variable magnitude in the opposite direction from the remote region, for example, an opposite wall.
		Non-Q wave infarction, which is diagnosed in the presence of ST depression and T wave abnormalities.
		The presence of the Q wave in the absence of ST and T wave abnormality generally indicates prior or healed infarction.
	www.americanheart.org /presenter.jhtml?identifier=251 (1093 words)

	Biphasic T Wave (Site not responding. Last check: 2007-10-25)
		In biochemistry, T is the symbol for threonine and thymine.
		In chemistry, T is the symbol for tritium, an isotope of hydrogen.
		T is the symbol for the tesla, the SI derived unit for magnetic fluxdensity.
	www.vermontreview.com /edge/46669-biphasictwave.html (700 words)

	ABC of clinical electrocardiography: Introduction. II---Basic terminology -- Meek and Morris 324 (7335): 470 -- BMJ
		The wave of depolarisation is directed inferiorly and towards the left, and thus the P wave tends to be upright in leads I
		T wave, and represents the period between the end of ventricular
		T wave orientation usually corresponds with that of the QRS complex, and thus is inverted in lead aVR, and may be inverted
	www.bmj.com /cgi/content/full/324/7335/470 (1604 words)

	BBC - Science & Nature - Horizon - Freak Wave (Site not responding. Last check: 2007-10-25)
		Waves twice as large as any that ships are designed to ride over.
		The largest wave marine architects are required to accommodate in the design strength calculations is 15m from trough to crest.
		Unable to maintain her course into the waves, there was a real risk the ship could go down and they knew none of the passengers would survive in lifeboats in such freezing conditions.
	www.bbc.co.uk /science/horizon/2002/freakwave.shtml (1157 words)

	February 2004 Trading Tips Newsletter (Site not responding. Last check: 2007-10-25)
		The 3 waves in a correction or retracement would be the pattern T-R-T and labeled on the chart with the lower case letters a, b, and c.
		And in the big R wave which is the reaction to the big T wave will be found the 3 smaller waves in the T-R-T pattern.
		In a typical Gartley pattern, wave 3 is not a 3, it is a C. A wave 3 does not have the right proportions.
	www.ensignsoftware.com /tips/tradingtips50.htm (1093 words)

	T wave - General Practice Notebook (Site not responding. Last check: 2007-10-25)
		T waves represent repolarisation of the heart, and undergo temporary or permanent change.
		The T wave may be normally inverted or upright in III and in V1 (and in V2 in young people, and also in V3 in some negroes).
		Hypokalaemia flattens the T wave and prolongs the QT interval (the duration from the Q wave to the end of the T wave) to more than 0.4 seconds.
	www.gpnotebook.co.uk /simplepage.cfm?ID=-415956978 (859 words)

	New Page
		T waves will usually be abnormal in ventricular hypertrophy, left bundle branch block, chronic pericarditis, and in electrolyte abnormality.
		Inverted T waves are seen during the evolution of myocardial infarction.
		The T wave tends to be oriented opposite the QRS in LBBB.
	www.madscientistsoftware.com /manu/ekg_st-t.htm (1368 words)

	WAVE 3.0 - Web Accessibility Versatile Evaluator
		When you install the WAVE toolbar in your browser, all you have to do is go to the Web page that you want to evaluate, then click on "WAVE this page!" or type in the Web address of the page you want to view, using the "WAVE a different page" field.
		When you add the WAVE "bookmarklet" to your browser, all you have to do is go to the Web page that you want to evaluate, then click on the bookmarklet to process it through the WAVE.
		See some of the upcoming features and ideas in WAVE 3.5.
	www.wave.webaim.org (124 words)

	The Wave Nature of Matter
		In some experiments, like Young's double slit experiment, light clearly showed itself to be a wave, but other phenomena, such as the photoelectric effect, demonstrated equally clearly that light was a particle.
		If we begin to think of electrons as waves, we'll have to change our whole concept of what an "orbit" is. Instead of having a little particle whizzing around the nucleus in a circular path, we'd have a wave sort of strung out around the whole circle.
		It's only at the molecular or atomic level that the waves begin to be large enough (compared to the size of an atom) to have a noticeable effect.
	www.colorado.edu /physics/2000/quantumzone/debroglie.html (1020 words)

	Exploratorium: The Wave Organ
		The Wave Organ was completed in May of 1986 and was dedicated in June to the memory of Frank Oppenheimer.
		The Wave Organ is located on a jetty that forms the small Boat Harbor in the Marina district of San Francisco, walking distance from the Exploratorium.
		Sound is created by the impact of waves against the pipe ends and the subsequent movement of the water in and out of the pipes.
	www.exploratorium.edu /visit/wave_organ.html (365 words)

	Cogprints - T Wave Alternans And Ventricular Tachyarrhythmia Risk Stratification: A Review (Site not responding. Last check: 2007-10-25)
		T wave alternans (TWA) is a new method for identifying patients with lethal ventricular tachyarrhythmias, and is dependent on heart rate.
		Ikeda T, Sakata T, Takami M, et al.: Combined assessment of T wave alternans and late potentials used to predict arrhythmic events after myocardial infarction.
		Ikeda T, Saito H, Tanno K, et al.: T wave alternans as a predictor for sudden cardiac death after nyocardial infarction.
	cogprints.org /4286 (1027 words)

	Stéphan T. Grilli Home Page
		Stéphan T. Grilli, Distinguished Professor and Chair of Ocean Engineering, was educated at the University of Liège (Belgium), where he received an M.S. in civil engineering in 1980, an M.S. in physical oceanography in 1983 and a Ph.D. in Applied Sciences (Hydraulic and Ocean Engineering) in 1985.
		Grilli's recent research is primarily directed at wave analysis in coastal areas and wave interaction with submerged and emerged coastal structures, including wave-induced sediment transport around partly buried mines, freak wave generation and impact on structures, topographic wave breaking and properties of breaking waves, waves generated by FastShips (surface effect ships).
		As part of an ONR project, the model was used to calculate periodic wave shoaling and breaking over beaches (with and without a bar) and develop Depth-Inversion-Algorithms for predicting the bottom topography in shallow water, based on characteristics of surface waves measured by remote sensing.
	ocean.oce.uri.edu /~grilli (2826 words)

	Extra T Wave.
		From the impression the doctors gave me, this T Wave seemed to be their main cause for concern.
		The T wave represents the repolarization of the heart and each QRS complex can only be associated with one T wave as the QRS represents the depolartization of the heart that leads to the hearts contraction.
		From the way it sounds, and the fact they used the term, 'regularly irregular', your physicians may have been referring to the P wave associated with a pac which is a benign finding and not rare at all.
	www.medhelp.org /forums/Cardio/messages/35026a.html (750 words)

	T wave alternans after sotalol: evidence for increased sensitivity to sotalol after conversion from atrial fibrillation ... (Site not responding. Last check: 2007-10-25)
		T wave alternans after sotalol: evidence for increased sensitivity to sotalol after conversion from atrial fibrillation to sinus rhythm -- Tan and Wilde 80 (3): 303 -- Heart
		T wave alternans after sotalol: evidence for increased sensitivity to sotalol after conversion from atrial fibrillation to sinus rhythm
		T waves result from repolarisation, which occurs with temporal inhomogeneity between the transmural layers.
	heart.bmjjournals.com /cgi/content/full/80/3/303 (2154 words)

	Clinical Trial: Prognostic Significance of T Wave Alternans (Site not responding. Last check: 2007-10-25)
		T Wave Alternans is a subtle every-other-beat variation in electrocardiographic T waves that is prognostic of patients at high risk for life-threatening cardiac arrhythmias and sudden cardiac death.
		It has recently been shown that T Wave Alternans (TWA) measured during exercise is strongly associated with inducible monomorphic CVT and with subsequent spontaneous arrhythmic events.
		The secondary aims included comparing risk due to T Wave Alternans between the ischemic patients and non-ischemic patients and assessing whether T Wave Alternans remained an independent predictor of risk upon adjustment for other known risk factors for arrhythmic events such as ejection fraction, ventricular ectopy, NSVT, average NN interval, and RR interval variability.
	www.clinicaltrials.gov /ct/show/NCT00006501?order=1.com (571 words)

	Preserving the Wave
		This was to be expected, since the wave equation is symmetrical in t and x, whereas Galileo's transformation is not.
		As noted previously, the Lorentz transformation arises from consideration of the wave equation, and the suitability of the coordinate systems related by these transformations is based on the fact that a wave (i.e., a field distribution satisfying the wave equation) with respect to one such system is a wave with respect to all such systems.
		In particular, it's interesting to consider whether a transformation that permutes the retarded wave cones of a spherically symmetrical sequence of waves leads to a useful representation of the causal relations between events.
	www.mathpages.com /home/kmath413/kmath413.htm (1791 words)

	Lesson XI - T Wave Abnormalities
		The T wave is the most labile wave in the ECG.
		T wave changes including low-amplitude T waves and abnormally inverted T waves may be the result of many cardiac and non-cardiac conditions.
		Also, the normal T wave is asymmetric with the first half moving more slowly than the second half.
	library.med.utah.edu /kw/ecg/ecg_outline/Lesson11/index.html (160 words)

	Three Dimensional Wave 1
		The slider on the left moves your viewpoint closer to or farther from the wave.
		Since the velocity of a wave is equal to its frequency times its wavelength, you should notice that by increasing the wavelength while the frequency remains constant causes the wave to speed up.
		With those waves, when you change the wavelength the frequency changes in an inverse fashion so as to keep the velocity of the wave constant.
	id.mind.net /~zona/mstm/physics/waves/wave3d1/wave3d1.htm (307 words)

	Killer Wave! Tsunami--Pictures, Map, Facts, Resources--National Geographic Kids
		But when the waves approach shore, they increase in energy and height.
		That is because waves are made up of crests, or high points, and troughs, or dips between crests.
		Usually another wave blasts ashore about 15 minutes later, then another and another—for two hours or more.
	www.nationalgeographic.com /ngkids/9610/kwave (346 words)

	cardioweb - T wave (Site not responding. Last check: 2007-10-25)
		While reviewing the T waves in all the leads, we also look at the ST segment.
		All the T waves need to be normal size and shape.
		T waves are allowed to be inverted in Leads aVR and V1.
	www.cardioweb.co.uk /ecg/ecgpage73.asp (217 words)

	Experiments on Wave Interference
		The bottom wave on the left is the sum of the two waves above it.
		Oh, I can see where the waves are acting to amplify and cancel each other by the dark and light areas.
		Light behaves basically the same way as water waves, but it's harder to visualize because it's happening in three dimensions, and you can't see the light until it hits something.
	www.colorado.edu /physics/2000/schroedinger/index.html (404 words)

	T Wave Abnormalities
		I too was told an inverted T wave was not abnormal by an er doctor and an internist.
		During an "incident" I know I have depressed ST waves, but now the last two session in cardiac rehab have shown inverted T waves.
		I also have inverted T waves...I have long QT, but inverted T waves are not associated with long QT.
	www.medhelp.org /perl6/cardio/messages/32018a.html (870 words)

	T wave inversion :: The Doctors Lounge(TM)
		The T wave on an EKG represents the repolarization or resetting of the electrical cells in the bottom chambers of the heart.
		Reasons for inverted T waves are numerous and may include ischemia, Heart attack, hyperventilation, Anxiety, certain medications, infections around the heart, pulmonary embolus (blood clot in the lung), electrolyte disturbance (abnormalities in sodium, potassium levels) etc. When an EKG is viewed, all of the waves are evaluated, not just one in particular.
		With this in mind and considering that the rest of the waves on the EKG appeared to him/her without any sort of defect, is probably why he/she stated it was an essentially normal EKG.
	www.thedoctorslounge.net /forums/viewtopic.php?t=3588 (1056 words)

	James T. Kirby, Publications
		Kirby, J. ``On the gradual reflection of weakly-nonlinear Stokes waves in regions with varying topography'', Journal of Fluid Mechanics, 162, 187-209, 1986.
		Dalrymple, R.A. and Kirby, J.T., ``Wave modification in the vicinity of islands.
		Chawla, A. and Kirby, J. T., ``An experimental study on the dynamics of wave blocking and breaking on opposing currents'', Report CACR-00-02, Center for Applied Coastal Research, Department of Civil and Environmental Engineering, University of Delaware, March 2000.
	chinacat.coastal.udel.edu /~kirby/kirby_pubs.html (7277 words)

	Bit Wave: comunicare la cultura italiana nel mondo
		Bit Wave è una società attiva dal 1996 nell'ambito della comunicazione su Internet.
		Sono due gli ambiti in cui Bit Wave fornisce un servizio professionale e attento alla cura dei particolari.
		Un sito web dedicato alle scuole di italiano,di arte e di cucina in Italia, che dal 1997 costuisce un punto di riferimento completo e facile da utilizzare, per chi desidera venire in contatto con la lingua e la cultura italiana in Italia.
	www.bit-wave.it (181 words)

	T wave (Site not responding. Last check: 2007-10-25)
		This represents repolarisation of the ventricular myocardium (Fig.
		In the dog and cat, the direction of the T wave is variable.
		The T wave can be positive, negative or biphasic, and its direction is not significant.
	www.provet.co.uk /cardiorespiratory/5a6ba3a.htm (87 words)

	T Wave - OTM Surfing
		A human rights group in Chad has accused the government of a wave of arbitrary arrests and political disappearances following a rebel assault three months ago on the capital of the central African oil producer.
		Both New York City and New Jersey are settling in for a major heat wave.
		Not since the deadly July 10-16, 1995 heat wave, responsible for more than 600 Chicago area deaths, has a longer string of consecutive 90(degrees) or higher temperatures threatened in a July here.
	surfing.outtheremanagement.com.au /t-wave.html (283 words)

	DIURETICS 26 T WAVE ABNORMALITY - , diuretics and blood pressure (Site not responding. Last check: 2007-10-25)
		hidden from all eyes, diuretics 26 t wave abnormality the same masks, On this.
		and hurls them a mighty space, diuretics 26 t wave abnormality this was simply her habit!
		diuretics 26 t wave abnormality they urge furiously, and the horses privy to.
	go4it4.homestead.com /diuretics-26-t-wave-abnormality (130 words)

	Wave Dancing Chinese calligraphy-Chinese calligraphy art, lessons, tattoo design and unique gifts.
		Wave Dancing Chinese calligraphy-Chinese calligraphy art, lessons, tattoo design and unique gifts.
		Museum quality Chinese calligraphy art works with great bargain!
		Permission should be granted before any use of Chinese calligraphy articles, pictures and videos on this site.
	wavedancing.net (387 words)

	T wave inversion --The Doctors Lounge(TM)
		I had a stress Echo done today, and while the doctor said the Echo was normal, he mentioned that I have an abnormal EKG pattern - inverted t waves.
		He was rather causal when mentioning this (flippant, even) saying it was nothing to worry given the normal Echocardiogram.
		It was quite wise of you to have this checked out considering your family history and you should continue to have physical exams regularly.
	www.thedoctorslounge.net /cardiology/forums/backup/topic-3588.html (980 words)

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