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Topic: Chaotic atrial tachycardia


  
  * Atrial fibrillation - (Disease): Definition   (Site not responding. Last check: 2007-10-23)
Atrial fibrillation is often caused by changes in your heart that occur with age or as a result of heart disease or high blood pressure.
Atrial fibrillation causes a rapid and irregular heartbeat,...
Atrial fibrillation is a risk factor for arterial embolism due to the release of blood clots from the fibrillating heart.
www.en.mimi.hu /disease/atrial_fibrillation.html   (517 words)

  
 Multifocal Atrial Tachycardia   (Site not responding. Last check: 2007-10-23)
Multifocal atrial tachycardia describes a caused by inappropriate electrical impulses arriving at the lower heart chambers (ventricles) from multiple locations within the upper heart chambers (atria).
Multifocal atrial tachycardia (MAT) tends to be in...
Multifocal atrial tachycardia describes a rapid heart rate caused by inappropriate electrical...
www.best-in-contact-lenses.com /OPG/multifocal-atrial-tachycardia.html   (397 words)

  
 Medical Breakthroughs - Learn More About Diabetes   (Site not responding. Last check: 2007-10-23)
Depending on the arrhythmia's duration rate, degree of regularity and its effect on blood flow and blood pressure, it may be either insignificant or life-threatening.
Irregularities in the rhythm of the heart can be caused by many things, including disease (e.g., coronary artery disease, diabetes, cardiomyopathy), medications or drugs, an aging heart, metabolic problems; such as thyroid disease, or have no evident cause.
Symptoms arise from both slow arrhythmias (bradycardia) or fast arrhythmias (tachycardia), but they may differ from person to person.
scc.healthcentral.com /bcp/main.asp?page=ency&id=27&ap=408&brand=24   (785 words)

  
 Institute for Computational Medicine- Johns Hopkins University
Zhang, H., Winslow, R. L., and Holden, A. (1998) Re-entrant excitation initiated in models of inhomogeneous atrial tissue.
Lai, Y. C., and Winslow, R. (1995) Geometric properties of the chaotic saddle responsible for supertransients in spatiotemporal chaotic systems Physical Review Letters, 74(26): 5208-5211.
Winslow, R. L., and Varghese, A. (1994) Modeling the functional role of SA node - atrial interdigitation.
www.icm.jhu.edu /publications   (2671 words)

  
 Google Search For:  Rapid Heart Beat
Symptoms of Rapid or Irregular Heartbeat, Arrhythmia, and Atrial...
shock to the heart to halt rapid and chaotic heart activity, commonly known as...
arrhythmia is atrial fibrillation, in which the atria beat...
www.chelationtherapyonline.com /articles/google12.htm   (1727 words)

  
 24. Cardiac Defibrillation
Figure 24.2C shows the first cycle of tachycardia; a reentrant circuit (called a circus movement), it does not involve a nonconducting obstacle but, rather, is based on the inhomogeneous recovery properties of the preparation.
The reason is that the cells in the region of the vortex during one cycle may show a large action potential (hence be part of the circulating wave) in the following cycle.
In spite of this beat-to-beat variation the reentry in the case of tachycardia is relatively orderly and results in a regular rhythm.
butler.cc.tut.fi /~malmivuo/bem/bembook/24/24.htm   (3814 words)

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