WebJul 16, 2024 · What causes Torsades de Pointes (TdP)? The cause of torsades is a long QT interval (an abnormally long repolarization of the heart) that turns into a continuous circular electrical route in the ventricles. Ventricular depolarization and repolarization occurs from the beginning of the Q wave to the end of the T wave and is called the QT interval. WebPolymorphic Ventricular Tachycardia. Polymorphic VT has QRS complexes greater than or equal to .12 second (120 milliseconds). QRS complexes may appear wider or higher than monomorphic (or other types of) VT. Because the electrical impulses and circuitry for this type of VT originate in various locations within the ventricles, the QRS morphology ...
Monomorphic and Polymorphic Ventricular Tachycardias (Broad …
WebTorsades de Pointes Arrhythmias with a polymorphic QRS appearance, torsades de pointes for example, will usually not permit synchronization. The patient will have to be treated as V-fib: defibrillate at 200 joules. If there is doubt about whether an unstable patient has monomorphic or polymorphic VT, do not delay WebPALS Study Guide 220022000 Bulletin: ... (VF), Torsades de Pointes, Pulseless Electrical Activity (PEA) and Asystole. < 1 month < 60 ... the PALS Cardiac Arrest Algorithm. The treatment of PEA/asystole is now consistent in the PALS. Decrease heart rate: Adenosine: ... farzin ferydouni
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