Possible Causes for torsades de pointes Tonsillitis Torsades de pointes is associated with a prolonged QT interval, which may be congenital or acquired.[1, 2] Torsades de pointes is usually not sustained and terminates spontaneously [patient.info] Torsades de Pointes is triggered by a PVC occurring on a preceding T wave. The onset of Torsades de Pointes is often preceded by a run of short-long-short R-R intervals. [ncbi.nlm.nih.gov] Most cases of torsades de pointes resolve on their own without treatment. [medicalnewstoday.com] Cardiac Arrhythmia The authors report the cases of three patients who developed torsades de pointes arrhythmia or lengthening of the Q-T interval during treatment with intravenous haloperidol [ncbi.nlm.nih.gov] During the arrest and over the subsequent 48 hours, malignant tachyarrhythmias were manifested by torsade de pointe and repeated episodes of ventricular fibrillation. [ncbi.nlm.nih.gov] de Pointes ; QTe, absolute QT interval just before the onset of Torsade de Pointes ; QTp, absolute Q-T peak interval just before the onset of Torsade de Pointes and SLS, [dx.doi.org] Electrolyte Imbalance Ventricular tachycardia, ventricular fibrillation and torsade de pointes. [ecgwaves.com] Hypokalaemia may cause acquired long QT syndrome (LQTS) and predisposes to torsade de pointes ( polymorphic ventricular tachycardia ). [ecgwaves.com] ECG changes due to hypocalcaemia Common ECG changes Lengthened QT interval (torsade de pointes is uncommon) Shortened QRS duration (has no clinical significance) Rare ECG [ecgwaves.com] Long QT Syndrome de pointes (TdP) VT. [ncbi.nlm.nih.gov] KEYWORDS: Digenic mutation; Epinephrine test; Long QT syndrome; Torsade de pointes [ncbi.nlm.nih.gov] Prolonged QT interval may be associated with torsades de pointes and lead to sudden cardiac death. [ncbi.nlm.nih.gov] Sinus Bradycardia Symptoms included syncope (n 2), torsades de pointes (n 7), and hemodynamic failure (n 6). Three infants with 2:1 AVB died during the first month of life. [ncbi.nlm.nih.gov] Treatment of torsade de pointes with magnesium sulfate. [ahajournals.org] de Pointes (TdP), and a risk for sudden death (1). [frontiersin.org] Hypokalemia In addition, it reiterates the importance of repeated history taking in a patient with undiagnosed hypokalemia and torsade de pointes which avoided a device therapy. [ncbi.nlm.nih.gov] BACKGROUND: Our primary objective was to determine the adjusted quantitative associations of clinical predictors with QT prolongation, a defining cause of Torsades de Pointes [ncbi.nlm.nih.gov] de pointes, ventricular fibrillation. [escardio.org] Tricyclic Antidepressant Overdose Torsade de pointes occurs uncommonly. [ncbi.nlm.nih.gov] Doxepin-induced torsade de pointes tachycardia. Ann Intern Med 2001; 135: 384–5 PubMed Google Scholar 43. Davison ET. [doi.org] Amitriptyline-induced torsade de pointes: successful therapy with atrial pacing. J Electrocardiol 1985; 18: 299–301 PubMed CrossRef Google Scholar 44. Crome P, Newman B. [doi.org] Long QT Syndrome 14 de Pointes (TdP) and sudden cardiac death. [onlinejacc.org] The delayed recovery predisposes individuals to the development of early afterdepolarizations and initiation of torsade de pointes arrhythmias. [journals.lww.com] Drugs That Prolong the QT Interval and/or Induce Torsades de Pointes Table 1. Drugs That Prolong the QT Interval and/or Induce Torsades de Pointes [anesthesiology.pubs.asahq.org] Torsades De Pointes Torsades de pointes is associated with a prolonged QT interval, which may be congenital or acquired. [ 1, 2 ] Torsades de pointes is usually not sustained and terminates spontaneously [patient.info] Torsades de Pointes induced by N-acetylprocainamide. [doi.org] Therefore, torsades de pointes is more common in white races and in females. [ 4 ] Torsades occurs at any age. [patient.info] Ventricular Tachycardia KEYWORDS: Dysrhythmia; Seizure; Torsades de pointes [ncbi.nlm.nih.gov] Ventricular tachycardias include ventricular tachycardia, ventricular fibrillation, and torsades de pointes; although these rhythms may be benign and asymptomatic, others [ncbi.nlm.nih.gov] Torsades de pointes tachycardia See the separate article Torsades de Pointes. [patient.info] Catecholaminergic Polymorphic Ventricular Tachycardia Type 5 de Pointes? [emcrit.org] Torsades de Pointes) is best treated with intravenous magnesium. Patients with a prolonged QT interval have a higher risk of developing polymorphic VT. [healio.com] de pointes. [ahajournals.org] Catecholaminergic Polymorphic Ventricular Tachycardia Burguera Short-coupled variant of torsade de pointes. [elsevier.pt] Torsades de Pointes) is best treated with intravenous magnesium. Patients with a prolonged QT interval have a higher risk of developing polymorphic VT. [healio.com] de Pointes. [scinapse.io] Bidirectional Tachycardia Abstract Most recent studies discussing tachycardias with alternating QRS polarity have referred to those known as torsade de pointes. [ncbi.nlm.nih.gov] : Polymorphic ventricular tachycardia, long Q-T syndrome, and torsades de pointes Med Clin North Am 85:321-341, 2001. [journals.sagepub.com] de pointes can occur with congenital or acquired long QT syndrome9 and should be considered in the differential diagnosis of polymorphic ventricular arrhythmia. [ochsnerjournal.org] Ventricular Arrhythmia CONCLUSION: We identified an RyR2 variant associated with reduced Ca 2 release and short-coupled torsades de pointes ventricular arrhythmia. [ncbi.nlm.nih.gov] REVIEW Acquired long QT syndrome and torsade de pointes Corresponding Author E-mail address: nelsherif@aol.com Downstate Medical Center, State University of New York, New [doi.org] Torsades de pointes was diagnosed in the Emergency Department (ED). [ncbi.nlm.nih.gov] Torsade-De-Pointes Syndrome with Short Coupling Interval The singular and plural forms ( torsade de pointes and torsades de pointes ) have both often been used. [ipfs.io] […] name Torsade de Pointes ). [en.ecgpedia.org] de pointes and torsades de pointes ) have both often been used. [en.wikipedia.org] Ventricular Fibrillation We present a 71-year-old Japanese man with metastasis prostate cancer that, during medical castration therapy, had torsades de pointes (TdP) with a QT prolongation and ventricular [ncbi.nlm.nih.gov] VF via torsade des pointes (TdP) was suspected, and temporary intravenous ventricular pacing and magnesium sulfate infusion suppressed her VF. [ncbi.nlm.nih.gov] Twenty minutes after a 42 year old female received sumatriptan, her femoral pulses were not palpable and the electrocardiograph (EKG) showed torsades de pointes followed by [ncbi.nlm.nih.gov] Nonsustained Ventricular Tachycardia WPW) Atrial fibrillation hyperkalemia Polymorphic ventricular tachycardia Torsades de pointes Nonsustained ventricular tachycardia Fixed or rate-related Evaluation Workup [wikem.org] Torsades de pointes tachycardia See the separate article Torsades de Pointes. [patient.info] Polymorphic VT in the setting of a prolonged QT raises concern for torsade de pointes. [psnet.ahrq.gov] Familial Ventricular Tachycardia When torsade de pointes is observed, the diagnosis becomes even more plausible. [symptoma.com] Morphology Monomorphic Polymorphic VT Torsades De Pointes (Polymorphic with QT prolongation) Right Ventricular Outflow Tract Tachycardia Fascicular Tachycardia Bidirectional [litfl.com] [雑誌論文] A type 2 ryanodine receptor variant associated with reduced Ca2 release and short-coupled torsades de pointes ventricular arrhythmia. 2017 著者名/発表者名 Fujii Y, Itoh H, [kaken.nii.ac.jp] Drug-induced Hypokalemia Corrected QT (QTc) interval was 630 ms and ( B ) an electrocardiogram showing torsade de pointes. [academic.oup.com] torsades de pointes; TdP) induced by QT-prolonging drugs. [circ.ahajournals.org] Diuretic-induced hypokalaemia inducing torsades de pointes. Can J Anaesth. 1995; 42 (12): 1137-9[ DOI ][ PubMed ] [traumamon.com] Cardiodysrhythmic Potassium-Sensitive Periodic Paralysis These VA can be aggravated by a decrease in [K( )]o and beta-adrenergic stimulation, and may potentially induce torsades de pointes and cause sudden death. [senselab.med.yale.edu] […] and sudden cardiac death Prolongation of q-t interval combined with torsades de pointes and manifests as several different forms; may be acquired or congenital; may lead [icd9data.com] de pointes, Catecholaminergic polymorphic ) Premature contraction Atrial - Ventricular Flutter/ fibrillation Atrial flutter - Ventricular flutter - Atrial fibrillation [wikidoc.org] Cardiogenic Syncope It is characterized by prolonged QT interval, abnormal T wave, torsade de points (TdP) on electrocardiogram, with recurrent syncope, convulsion and even sudden death. [unboundmedicine.com] de pointe) and, more rarely, supraventricular tachycardia. [ncbi.nlm.nih.gov] Consider the possibility of a “vasovagal” mechanism, bradycardia, or torsade de pointe ventricular tachycardia, when sudden loss of consciousness is followed by myoclonic [ncbi.nlm.nih.gov] Supraventricular Tachycardia with Aberrant Conduction de pointes (see Figure 11). [rcemlearning.co.uk] Polymorphic VT (eg, torsades de pointes): give magnesium 2 g over 10 minutes). [patient.info] Polymorphic VT, Torsades de pointes, and unusual SVT (SVT with wide complexes due to aberrant conduction) may be reversible, e.g. magnesium for Torsades, but do not delay [nhcps.com] Tachyarrhythmia Torsade de Pointes Torsade de pointes means “twisting of the points” It is most commonly seen in the setting of a prolonged QT interval (either congenital or acquired), and [slideshare.net] de pointes, are discussed. [ncbi.nlm.nih.gov] SVT vs VT Clinical history Medication Drug-induced tachycardia - Torsade de pointes Diuretics Digoxin-induced arrhythmia - [digoxin] 2ng/l or normal if hypokalemia Age - 35 [slideshare.net] Idiopathic Ventricular Fibrillation Torsades de pointes Other names Torsade(s) 12-lead ECG of torsades de pointes (TdP) in a 56-year-old white female with low blood potassium (2.4 mmol/L) and low blood magnesium [en.wikipedia.org] Isoproterenol has been used to terminate recurrent ventricular fibrillation in patients with Brugada syndrome and torsades de pointes resistant to magnesium therapy. [ncbi.nlm.nih.gov] Use of IV calcium channel antagonists and isoprenaline for the acute management of VF has proven effective in idiopathic VF associated with short-coupled Torsades de Pointes [touchcardio.com] Familial Short QT Syndrome ECG criteria for torsade de pointes Prolonged QTc interval before appearance of torsade de pointes. [ecgwaves.com] Torsade de pointes In LQTS, QT prolongation can lead to polymorphic ventricular tachycardia, or torsade de pointes, which itself may lead to ventricular fibrillation and sudden [emedicine.medscape.com] These conditions are associated with syncopal episodes, potentially lethal torsades de pointes tachyarrhythmias, atrial fibrillation, and sudden cardiac death at a young age [ohsu.edu] Long QT Syndrome 8 Cardiac arrest or fainting due to trademark cardiac arrhythmia called torsade de pointes Family history – of a SADS diagnosis, SADS symptoms, or sudden unexplained death of [sads.org] However, if a torsades de pointes episode lasts longer, it can result in a sudden fainting spell followed by a full-body seizure. [mayoclinic.org] Drugs That Prolong the QT Interval and/or Induce Torsades de Pointes Table 1. Drugs That Prolong the QT Interval and/or Induce Torsades de Pointes [anesthesiology.pubs.asahq.org] Long QT Syndrome 6 Get Update Overview Congenital long QT syndrome is electrocardiographically characterized by a prolonged QT interval and polymorphic ventricular arrhythmias (torsade de pointes [diseaseinfosearch.org] de pointes. [springerlink.com] "QT interval prolongation and the risk of torsades de pointes: essentials for clinicians". [en.wikipedia.org] Long QT Syndrome 3 de pointes. [webview.isho.jp] "QT interval prolongation and the risk of torsades de pointes: essentials for clinicians". [en.wikipedia.org] The onset of the pause-dependent torsade de pointes. VPB ventricular premature beat. Data in references 30,32. [romanianjournalcardiology.ro] Long QT Syndrome 13 ECG criteria for torsade de pointes Prolonged QTc interval before appearance of torsade de pointes. [ecgwaves.com] Figure 1: Torsade de pointes in a long QT syndrome type 2 patient. [thecardiologyadvisor.com] Drugs That Prolong the QT Interval and/or Induce Torsades de Pointes Table 1. Drugs That Prolong the QT Interval and/or Induce Torsades de Pointes [anesthesiology.pubs.asahq.org] Long QT Syndrome 10 ECG criteria for torsade de pointes Prolonged QTc interval before appearance of torsade de pointes. [ecgwaves.com] de pointes Torsades type ventricular tachycardia Clinical Information A condition that is characterized by episodes of fainting (syncope) and varying degree of ventricular [icd10data.com] Figure 1: Torsade de pointes in a long QT syndrome type 2 patient. [thecardiologyadvisor.com]
