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  2. Twiddler's syndrome - Wikipedia

    en.wikipedia.org/wiki/Twiddler's_syndrome

    Twiddler's syndrome is a malfunction of a pacemaker due to manipulation of the device and the consequent dislodging of the leads from their intended location. As the leads move, they stop pacing the heart and can cause strange symptoms such as phrenic nerve stimulation resulting in abdominal pulsing or brachial plexus stimulation resulting in rhythmic arm twitching. [1]

  3. Management of heart failure - Wikipedia

    en.wikipedia.org/wiki/Management_of_heart_failure

    CRT: People with NYHA class III or IV, left ventricular ejection fraction (LVEF) of 35% or less and a QRS interval of 120 ms or more may benefit from cardiac resynchronization therapy (CRT; pacing both the left and right ventricles), through implantation of a bi-ventricular pacemaker. This treatment modality may alleviate symptoms, improving ...

  4. Pacemaker syndrome - Wikipedia

    en.wikipedia.org/wiki/Pacemaker_syndrome

    Most of the signs and symptoms of pacemaker syndrome are nonspecific, and many are prevalent in the elderly population at baseline. In the lab, pacemaker interrogation plays a crucial role in determining if the pacemaker mode had any contribution to symptoms. [5] [6] [7]

  5. Subcutaneous implantable defibrillator - Wikipedia

    en.wikipedia.org/wiki/Subcutaneous_implantable...

    Patients who are relatively older, who need ICD for secondary prevention, or who have concomitant bradycardia requiring pacing, or heart failure requiring cardiac resynchronisation therapy are more suitable for transvenous ICD implantation. An older patient with ischemic cardiomyopathy and documented symptomatic ventricular tachycardia is a ...

  6. Heart failure - Wikipedia

    en.wikipedia.org/wiki/Heart_failure

    In 2011, heart failure was the most common reason for hospitalization for adults aged 85 years and older, and the second-most common for adults aged 65–84 years. [141] An estimated one in five adults at age 40 will develop heart failure during their remaining lifetimes and about half of people who develop heart failure die within 5 years of ...

  7. Cardiac contractility modulation - Wikipedia

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

    However, where such detectors are used there are often signs warning people with cardiac pacemakers and defibrillators, and cardiac contractility modulation patients are therefore advised to present their device ID. In these cases, the security check will typically continue with the use of a hand-held metal detector or by physical inspection. [36]

  8. Defibrillation - Wikipedia

    en.wikipedia.org/wiki/Defibrillation

    Implantable cardioverter-defibrillators, also known as automatic internal cardiac defibrillator (AICD), are implants similar to pacemakers (and many can also perform the pacemaking function). They constantly monitor the patient's heart rhythm, and automatically administer shocks for various life-threatening arrhythmias, according to the device ...

  9. Outline of cardiology - Wikipedia

    en.wikipedia.org/wiki/Outline_of_cardiology

    Automated external defibrillator (AED) – An external defibrillator that is commonly found outside of health care settings and is often designed for anyone to use through verbal instructions. AED's have increased in popularity and dispersal so that people with cardiac arrest in public can be cardioverted to a safer rhythm before help can arrive.