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  2. Third-degree atrioventricular block - Wikipedia

    en.wikipedia.org/wiki/Third-degree_atrio...

    Atrial tachycardia with complete A-V block and resulting junctional escape. Many conditions can cause third-degree heart block, but the most common cause is coronary ischemia. Progressive degeneration of the electrical conduction system of the heart can lead to third-degree heart block.

  3. Atrial flutter - Wikipedia

    en.wikipedia.org/wiki/Atrial_flutter

    Type I atrial flutter, counterclockwise rotation with 3:1 and 4:1 AV nodal block. Atrial flutter with a two to one block. Note the P waves hiding in the T waves in leads V1 and V2. Type I atrial flutter, also known as common atrial flutter or typical atrial flutter, has an atrial rate of 240 to 340 beats/minute.

  4. Cardioversion - Wikipedia

    en.wikipedia.org/wiki/Cardioversion

    Synchronized electrical cardioversion is used to treat hemodynamically unstable supraventricular (or narrow complex) tachycardias, including atrial fibrillation and atrial flutter. It is also used in the emergent treatment of wide complex tachycardias, including ventricular tachycardia , when a pulse is present.

  5. BMJ Best Practice - Wikipedia

    en.wikipedia.org/wiki/BMJ_Best_Practice

    BMJ offers personal and institutional subscriptions. Only institutional subscriptions are available to purchase in the United States and Canada. All institutional subscriptions include onsite and remote access as well as access to the mobile app for iOS and Android devices. [2]

  6. Radiofrequency ablation - Wikipedia

    en.wikipedia.org/wiki/Radiofrequency_ablation

    Radiofrequency ablation (RFA), also called fulguration, [1] is a medical procedure in which part of the electrical conduction system of the heart, tumor, sensory nerves or a dysfunctional tissue is ablated using the heat generated from medium frequency alternating current (in the range of 350–500 kHz).

  7. Wandering atrial pacemaker - Wikipedia

    en.wikipedia.org/wiki/Wandering_atrial_pacemaker

    Wandering atrial pacemaker may be seen in young, healthy individuals as well as in the elderly and those with lung disease. [2] The cause of wandering atrial pacemaker is unclear. Increased tone from the vagus nerve may factor into the rhythm appearing in young, healthy individuals who exercise. The vagus nerve is a part of the parasympathetic ...

  8. Wikipedia:Osmosis/Atrial flutter - Wikipedia

    en.wikipedia.org/.../Atrial_flutter

    Atrial flutter is when the atria repeatedly contract at really high rates, usually due to an underlying condition combined with premature atrial contraction. Faster atrial contraction in turn increases the number of ventricular contraction, which can cause shortness of breath, chest pain, dizziness, and nausea in certain people.

  9. Concealed conduction - Wikipedia

    en.wikipedia.org/wiki/Concealed_conduction

    Another variation on this concept is seen in atrial flutter. As a result of the rapid atrial rate, some of the atrial activity fails to get through the AV node in an antegrade direction but can alter the rate at which a subsequent atrial impulse is conducted. In this circumstance, an alteration in the F-wave to QRS relationship is seen.

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