best answer > How do you treat torsades de pointes?- QuesHub.com | Better Than Quora
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  • Noah Thompson——Works at Google, Lives in Mountain View, CA

    As a medical professional with expertise in cardiology, I understand the importance of addressing Torsades de Pointes (TdP), a potentially life-threatening type of ventricular tachycardia that can lead to sudden cardiac death. TdP is often associated with a prolonged QT interval, which is a measure of the time between the start of the Q wave and the end of the T wave in the heart's electrical cycle. **Treatment for Torsades de Pointes includes:** 1. Immediate Identification and Termination: The first step is to recognize the arrhythmia and stop it. This can be done by delivering a direct current (DC) cardioversion, which is a controlled electrical shock to the heart. 2. Magnesium Sulfate: Intravenous magnesium is often the first-line treatment for TdP, even in the absence of hypomagnesemia. Magnesium is thought to stabilize the cell membrane and reduce the risk of further episodes. 3. Correction of QT Prolongation: Identify and correct any underlying causes of the prolonged QT interval, such as electrolyte imbalances (particularly potassium and magnesium) and discontinuation of QT-prolonging medications if possible. 4. Temporary Pacemaker: In some cases, a temporary pacemaker may be necessary to overdrive pace the heart and prevent the recurrence of TdP. 5. Ischemia and Acid-Base Balance: Ensure that the patient does not have any underlying conditions like myocardial ischemia or acid-base disturbances that could contribute to the development of TdP. 6. Long-term Management: Depending on the cause, long-term treatment may include the use of beta-blockers, the removal of the offending drug, or the prescription of a QT-shortening drug like mexiletine. 7. **Implantable Cardioverter Defibrillator (ICD)**: In high-risk patients, an ICD may be considered to prevent sudden cardiac death. 8. Education and Monitoring: Patients and their families should be educated on the signs of TdP and the importance of medication adherence and regular monitoring. **Please note that the treatment should be tailored to the individual patient's condition and should be administered under the supervision of a healthcare professional.** read more >>
  • Ruby Turner——Studied at University College London (UCL), Lives in London, UK

    Diagnosis is by ECG. Treatment is with IV magnesium, measures to shorten the QT interval, and direct-current defibrillation when ventricular fibrillation is precipitated. The long QT interval responsible for torsades de pointes can be congenital or drug-induced.read more >>

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