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  2. Atrial fibrillation - Wikipedia

    en.wikipedia.org/wiki/Atrial_fibrillation

    As atrial fibrillation becomes more persistent, the junction between the pulmonary veins and the left atrium becomes less of an initiator and the left atrium becomes an independent source of arrhythmias. [18] High blood pressure and valvular heart disease are the most common modifiable risk factors for AF.

  3. Wikipedia:Osmosis/Atrial fibrillation - Wikipedia

    en.wikipedia.org/.../Atrial_fibrillation

    Persistent AF episodes can last for quite a long time - weeks to months, and when the AF episodes last beyond 12 months, it’s known as long-standing persistent AF, and “permanent AF” is what’s it’s called when the patient and clinician make a joint decision to not attempt to stop the rhythm.

  4. Tachycardia-induced cardiomyopathy - Wikipedia

    en.wikipedia.org/wiki/Tachycardia-induced_cardio...

    The types of SVT associated with TIC include atrial fibrillation, atrial flutter, incessant atrial tachycardia, permanent junctional reciprocating tachycardia, atrioventricular reciprocating tachycardia, and atrioventricular nodal reentry tachycardia. [1] Atrial fibrillation is the most common and well-studied etiology of TIC. [1] [5]

  5. Supraventricular tachycardia - Wikipedia

    en.wikipedia.org/wiki/Supraventricular_tachycardia

    Atrial fibrillation meets the definition of SVT when associated with a ventricular response greater than 100 beats per minute. It is characterized as an "irregularly, irregular rhythm" both in its atrial and ventricular depolarizations and is distinguished by its fibrillatory atrial waves that, at some point in their chaos, stimulate a response ...

  6. Cardiac contractility modulation - Wikipedia

    en.wikipedia.org/wiki/Cardiac_contractility...

    In the past, the most important contraindication in cardiac contractility modulation treatment was permanent and long-standing persistent atrial fibrillation. The signal application in current cardiac contractility modulation devices was timed and triggered according to the electrical activity of the atrium. In atrial fibrillation, electrical ...

  7. Fibrillation - Wikipedia

    en.wikipedia.org/wiki/Fibrillation

    There are two major classes of cardiac fibrillation: atrial fibrillation and ventricular fibrillation. Atrial fibrillation is an irregular and uncoordinated contraction of the cardiac muscle of atria. It can be a chronic condition, usually treated with anticoagulation and sometimes with conversion to normal sinus rhythm.

  8. Permanent junctional reciprocating tachycardia - Wikipedia

    en.wikipedia.org/wiki/Permanent_junctional...

    Permanent junctional reciprocating tachycardia (PJRT) is a rare cardiac arrhythmia. It is a supraventricular tachycardia , and a cause of atrioventricular reentrant tachycardia (AVRT) . PJRT can cause chronic tachycardia that, untreated, leads to cardiomyopathy .

  9. Atrial tachycardia - Wikipedia

    en.wikipedia.org/wiki/Atrial_tachycardia

    Atrial tachycardia is a type of heart rhythm problem in which the heart's electrical impulse comes from an ectopic pacemaker (that is, an abnormally located cardiac pacemaker) in the upper chambers of the heart, rather than from the sinoatrial node, the normal origin of the heart's electrical activity.

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