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  2. Pacemaker syndrome - Wikipedia

    en.wikipedia.org/wiki/Pacemaker_syndrome

    Studies have shown that patients with Pacemaker syndrome and/or with sick sinus syndrome are at higher risk of developing fatal complications that calls for the patients to be carefully monitored in the ICU. Complications include atrial fibrillation, thrombo-embolic events, and heart failure. [7]

  3. Management of heart failure - Wikipedia

    en.wikipedia.org/wiki/Management_of_heart_failure

    Digoxin (a mildly positive inotrope and negative chronotrope), once used as first-line therapy, is now reserved for control of ventricular rhythm in patients with atrial fibrillation; or where adequate control is not achieved with an ACEI, a beta blocker and a loop diuretic. [13]

  4. Right atrial enlargement - Wikipedia

    en.wikipedia.org/wiki/Right_atrial_enlargement

    It can broadly be classified as either right atrial hypertrophy (RAH), overgrowth, or dilation, like an expanding balloon. Common causes include pulmonary hypertension , which can be the primary defect leading to RAE, or pulmonary hypertension secondary to tricuspid stenosis ; pulmonary stenosis or Tetralogy of Fallot i.e. congenital diseases ...

  5. Catheter ablation - Wikipedia

    en.wikipedia.org/wiki/Catheter_ablation

    Catheter ablation is a procedure that uses radio-frequency energy or other sources to terminate or modify a faulty electrical pathway from sections of the heart of those who are prone to developing cardiac arrhythmias such as atrial fibrillation, atrial flutter and Wolff-Parkinson-White syndrome.

  6. Cardiac pacemaker - Wikipedia

    en.wikipedia.org/wiki/Cardiac_pacemaker

    An artificial cardiac pacemaker (or artificial pacemaker, so as not to be confused with the natural cardiac pacemaker) or just pacemaker is an implanted medical device that generates electrical impulses delivered by electrodes to the chambers of the heart either the upper atria, or lower ventricles to cause the targeted chambers to contract and ...

  7. Implantable cardioverter-defibrillator - Wikipedia

    en.wikipedia.org/wiki/Implantable_cardioverter...

    The difference between pacemakers and ICDs is that pacemakers are also available as temporary units and are generally designed to correct slow heart rates, i.e. bradycardia, while ICDs are often permanent safeguards against sudden life-threatening arrhythmias. S-ICD lead and generator position Sketch of an already-implanted cardioverter ...

  8. Pathophysiology of hypertension - Wikipedia

    en.wikipedia.org/.../Pathophysiology_of_hypertension

    Exaggerated stress responses may contribute to the increased incidence of hypertension in this group. [35] For patients having hypertension, higher heart rate variability (HRV) is a risk factor for atrial fibrillation. [36] Resistant hypertension can be treated by electrically stimulating the baroreflex with a pacemaker-like device. [37]

  9. Cardiology - Wikipedia

    en.wikipedia.org/wiki/Cardiology

    In Europe and North America, as of 2014, atrial fibrillation affects about 2% to 3% of the population. [50] Atrial fibrillation and atrial flutter resulted in 112,000 deaths in 2013, up from 29,000 in 1990. [26] Sudden cardiac death is the cause of about half of deaths due to cardiovascular disease or about 15% of all deaths globally. [51]

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