Digoxin torsades de pointes

Sirena karel
  • g
  • 5 µg/ml
  • Lidocaine 1 mg/kg bolus, followed by 0
  • 69
  • LQTS
  • After-depolarization can initiate a sequence of ventricular extra beats

    2-2: Torsades de pointes is polymorphic VT that occurs in the setting of a long QT interval and is characterized by a

    CAUSES OF TORSADES DE POINTES Since the original work by Dessertenne, it has been well recognised that many conditions may cause prolonged or abnormal

    It predisposes to TdP [3, 4] , presumably through this mechanism, as well as

    For torsades de pointes with cardiac arrest, give 1 to 2 g of MgSO 4 IV push over 5 to 20 minutes

    This abnormal repolarization, when amplified by sympathetic activity, can lead to the formation of reentry circuits and may present with syncope, seizures, or torsades

    Abstract

    Keywords: Anti-Arrhythmia Agents, Propafenone, Atrial Fibrillation, Calcium Channel Blockers, Digoxin, Torsades de Pointes, Defibrillators, Implantable, Risk

    Isoproterenol is a beta-1 and beta-2 adrenergic receptor agonist indicated primarily for bradydysrhythmias

    Torsades de pointes (TdP) is defined as a polymorphic ventricular tachycardia characterized by a ‘twisting of the points’ around the isoelectric line on the electrocardiogram (ECG), and is preceded by a long QT interval

    5 micrograms/l)

    Key words: Amiodarone; Torsades de pointes; Digoxin Introduction Torsades de pointes is an uncommon but specific form of polymorphous ventricular tachycardia

    The term torsade de pointes literally means a "twisting of points" and refers to a characteristic pattern of

    The most common cause of polymorphic vtach is ischemia whereas torsades is usually due to drug-induced QT prolongation (at least >550 QTc) and less frequently congenital prolonged QT (17 types, first 3 types are the most common)

    The patient experienced angina pectoris followed by episodes of torsades de pointes, which were interpreted as the result of bradycardia, and the bradycardia as the result of high grade AV block induced by increased vagal tone caused by ischaemia in the presence of digoxin intoxication (serum digoxin was 2

    Polymorphic V-tach can also be described as bi-directional V-tach, which is another type of polymorphic V-tach that is commonly associated with digoxin toxicity, commonly known as torsades de pointes

    }, author={B P Bajaj and M

    QT prolongation and torsade de pointes induced by fluoroquinolones: infrequent side effects from commonly used medications

    Before giving medications, the nurse reviews the patient's electrocardiogram (ECG) and notes a QRS complex that has widened by 50% from the baseline ECG

    7 Modulation of the sphingosine 1-phosphate digoxin), and chronic heart diseases

    Most often, torsades de pointes is precipitated by sudden accelerations or short–long–short cycle lengths during bradycardia , whether or not under the influence of an increased sympathetic tone

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