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53 Possible Causes for Irregularly Irregular Heart Rhythm, Tachycardia

  • Atrial Arrhythmia

    The mechanism of atrial tachycardia was scar related intra-atrial reentry (n 27), cavotricuspid-related atrial flutter (n 21), atrial fibrillation (n 2), or focal atrial tachycardia[] Normally, the heart contracts and then relaxes in a regular rhythm, moving blood from the upper chambers (atria) into the ventricles.[] rhythm will be “irregularly irregular” and frequently tachycardic.[]

  • Atrial Fibrillation

    Circumferential pulmonary vein isolation and circumferential SVC isolation resulted in termination of tachycardia.[] Atrial fibrillation, sometimes called "Afib", is the most prevalent type of heart arrhythmia (abnormal heart rhythm) and causes an irregular (and often rapid) heartbeat.[] Atrial fibrillation is a clinical condition characterized by a rapid and irregularly regular atrial rhythm of the heart.[]

  • Wolff-Parkinson-White Syndrome

    We report a patient with Wolff-Parkinson-White syndrome who presented with two distinct tachycardias that represented atrioventricular reentrant tachycardia utilizing left[] Note irregularly irregular rhythm with delta wave visible in QRS. Note fast ventricular response.[] A 25-year-old pregnant woman was admitted with frequent episodes of supraventricular tachycardia associated with Wolf-Parkinson-White syndrome.[]

  • Supraventricular Tachycardia

    […] the tachycardia.[] The rhythm is irregularly irregular. P waves are not discernible.[] Tachycardia means fast heartbeat and supraventricualr means the region above the ventricles.[]

  • Supraventricular Tachycardia with Aberrant Conduction

    Abstract A description is given of a patient with an atrioventricular nodal tachycardia with left aberrant conduction changing into nonaberrant conduction after a ventricular[] irregular heart rhythm Atrial flutter Causes a sawtooth pattern on ECG Ventricular tachycardia Rhythm starts in the ventricles Pediatric tachyarrhythmias are first divided[] Abstract Wide-complex tachycardia (WCT) is defined as a rhythm disturbance with a rate greater than 100 beats/min and a QRS complex duration of 0.12 seconds or more in the[]

  • Atrial Flutter

    There are three major types of SVT including: Atrial fibrillation Paroxysmal supraventricular tachycardia (PSVT) Atrial Flutter & Atrial Tachycardia Atrial Flutter & Atrial[] This results in the rhythm becoming “irregularly irregular.”[] Atrial fibrillation (AF) is an abnormal heart rhythm distinguished by rapid (usually greater than 300 beats per minute) irregularly irregular heart beat with no distinct P-wave[]

  • Paroxysmal Nodal Tachycardia

    A dual demand pacemaker was implanted to sense and interrupt attacks of tachycardia automatically.[] Wandering atrial pacemaker (multifocal atrial rhythm) is an irregularly irregular rhythm caused by the random discharge of multiple ectopic atrial foci.[] Long-term follow-up after radiofrequency ablation of paroxysmal supraventricular tachycardia in patients with tachycardia-induced atrial fibrillation.[]

  • Torsades De Pointes

    This electrophysiological abnormality may lead to syncope or sudden cardiac death due to rapid, polymorphic ventricular tachycardia (VT).[] Physical examination showed a well-nourished man with a blood pressure of 120/75 mm Hg, a pulse of 180 beats/min, and an irregularly irregular heart rhythm without murmurs[] Polymorphic Ventricular Tachycardia 12-lead ECG Example[]

  • Paroxysmal Supraventricular Tachycardia

    AV nodal reentrant tachycardia (AVNRT) Junctional ectopic tachycardia (JET) AV reentrant tachycardia (AVRT) Nonparoxysmal junctional tachycardia (NPJT) Paroxysmal supraventricular[] The rhythm is irregularly irregular. P waves are not discernible.[] The incidence of supraventricular tachycardia increases with age.[]

  • Paroxysmal Ventricular Tachycardia

    QRS complex aspect depends on the origin site of the tachycardia.[] The rhythm is irregularly irregular. P waves are not discernible.[] Successful drug response (prevention of ventricular tachycardia induction or induction of nonsustained episodes of tachycardia) was noted in six of nine patients (66 percent[]

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