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wide complex tachycardia

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https://www.readbyqxmd.com/read/29328513/-wide-qrs-complex-tachycardia-followed-by-2-1-atrioventricular-block-what-is-the-mechanism
#1
Jesús Jiménez-López, Ermengol Vallès, Begoña Benito Villabriga, Oscar Alcalde, Sandra Cabrera, Julio Martí-Almor
No abstract text is available yet for this article.
January 12, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29319207/wide-to-narrow-complex-tachycardia-what-is-the-diagnosis
#2
Manojkumar Rohit, Darshan Krishnappa, Raja J Selvaraj
No abstract text is available yet for this article.
January 10, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29289261/r-wave-peak-time-at-lead-ii-in-adults-with-ventricular-premature-beats-bundle-branch-block-and-left-anterior-fascicular-block
#3
Min Yu, Tingting Chen, Shuang Hu, Shan Zou, Cantian Wang, Chujuan Zeng, Weijie Chen, Xuerui Tan
BACKGROUND: Recently, the R-wave peak time (RWPT) at lead II was reported to be a helpful and simple tool for differentiating wide QRS complex tachycardias with a RWPT ≥ 50ms for ventricular tachycardia diagnosis. Our previous study showed that the duration of RWPT at lead II in adults was ≈29ms. However, the effects of ventricular premature beats (VPBs), bundle branch block (BBB) or left anterior fascicular block (LAFB) on RWPT at lead II remain unknown. METHODS: The study was conducted in the First Affiliated Hospital of Shantou University Medical College in Southern China...
January 2018: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29282836/geometric-patterns-of-time-delay-plots-from-different-cardiac-rhythms-and-arrhythmias-using-short-term-ekg-signals
#4
Raúl A Borracci, José D Montoya Pulvet, Carlos A Ingino, Mario Fitz Maurice, Alfredo Hirschon Prado, Enrique Dominé
OBJECTIVE: To date, no systematic work has been intended to describe spatio-temporal patterns of cardiac rhythms using only short series of RR intervals, to facilitate visual or computerized-aided identification of EKG motifs for use in clinical practice. The aim of this study was to detect and classify eye-catching geometric patterns of Poincaré time-delay plots from different types of cardiac rhythms and arrhythmias using short-term EKG signals. METHODS: Approximately 150-300 representative, consecutive beats were retrieved from 24-h Holter registers of 100 patients with different heart rhythms...
December 27, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/29181494/wide-complex-tachycardia-in-a-patient-without-conduction-system-disease
#5
Douglas J Hall, Timothy W Smith, Amit Noheria
No abstract text is available yet for this article.
November 27, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/29173673/ventricular-arrhythmias
#6
REVIEW
William F Dresen, John D Ferguson
Ventricular tachycardia (VT) is the most common form of wide complex tachycardia and is associated with a high mortality rate. Electrocardiographic analysis remains paramount in diagnosis and helps to direct therapy. Antiarrhythmic agents, although effective in reducing arrhythmia burden, have never demonstrated a mortality benefit. The implantable cardioverter-defibrillator aids not only in the acute termination of ventricular arrhythmia, but provides a wealth of information for the long-term management of patients with VT...
February 2018: Cardiology Clinics
https://www.readbyqxmd.com/read/29132651/wide-qrs-complex-tachycardia
#7
Elias B Hanna, Colleen J Johnson, D Luke Glancy
In a man with a wide-QRS complex tachycardia, a history of an inferior left ventricular scar, atrioventricular dissociation during the tachycardia, and a QRS morphology inconsistent with right or left bundle branch block exclude a diagnosis of supraventricular tachycardia with aberrant ventricular conduction due to bundle branch block or ventricular preexcitation and establish a diagnosis of ventricular tachycardia.
October 19, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29115093/a-case-of-multiple-cardiovascular-and-tracheal-anomalies-presented-with-wolff-parkinson-white-syndrome-in-a-middle-aged-adult
#8
Hyejin Shi, Sungmin Sohn, SungHo Wang, Sungrock Park, SangKi Lee, Song Yi Kim, Sun Young Jeong, Changhwan Kim
Congenital cardiovascular anomalies, such as dextrocardia, persistent left superior vena cava (SVC), and pulmonary artery (PA) sling, are rare disorders. These congenital anomalies can occur alone, or coincide with other congenital malformations. In the majority of cases, congenital anomalies are detected early in life by certain signs and symptoms. A 56-year-old man with no previous medical history was admitted due to recurrent wide QRS complex tachycardia with hemodynamic collapse. A chest radiograph showed dextrocardia...
December 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29071387/-ventricular-arrhythmias-what-has-been-confirmed-in-therapy
#9
REVIEW
D Duncker, J Bauersachs, C Veltmann
Ventricular arrhythmias include a wide range of potentially benign single ventricular premature contractions to ventricular tachycardia and ventricular fibrillation with a risk for sudden cardiac death. The diagnosis of ventricular arrhythmia is made by 12-lead electrocardiogram, 24 h Holter monitoring, an external or implantable loop recorder, or during in-hospital monitoring. Especially the diagnosis of wide complex tachycardias is challenging in terms of differentiating between ventricular tachycardia and supraventricular tachycardia with aberrant atrioventricular conduction...
October 25, 2017: Der Internist
https://www.readbyqxmd.com/read/29067909/atrial-flutter-presenting-as-broad-complex-tachycardia-in-a-patient-with-right-sided-pneumonectomy
#10
Thomas Beiert, Georg Nickenig, Jan Wilko Schrickel, Markus Linhart
A 71-year-old man with no history of coronary artery disease presented with palpitations to the emergency department. The 12-lead ECG showed a regular tachycardia with wide QRS complexes (220 bpm) suggestive of ventricular tachycardia. Instead invasive electrophysiological investigation revealed typical atrial flutter as underlying arrhythmia. The altered QRS morphology resulted from displacement of the heart into the right hemithorax due to right-sided pneumonectomy in combination with bundle branch block.
July 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29038823/left-ventricular-twist-in-hypertrophic-cardiomyopathy-predictor-of-nonsustained-ventricular-tachycardia
#11
O Candan, C Gecmen, A Kalaycı, E Bayam, A Guner, S Gunduz, S Cersit, M Ozkan
BACKGROUND: We investigated the efficacy of clinical and classic echocardiographic parameters in predicting the occurrence of nonsustained ventricular tachycardia (NsVT) in patients with hypertrophic cardiomyopathy (HCM). METHODS: The study comprised 59 patients with HCM (47 male, [80%]; mean age, 48.48 ± 14.16 years). Clinical, electrocardiographic, as well as classic two-dimensional and speckle-tracking echocardiography (STE) data were collected. All patients had Holter monitoring within 24-72 h of the echocardiographic examination...
October 16, 2017: Herz
https://www.readbyqxmd.com/read/28940430/wide-complex-tachycardia-in-a-patient-with-congenital-heart-block-what-is-the-mechanism
#12
Nicholas Serafini, Parikshit S Sharma, Christopher Madias, Richard G Trohman
No abstract text is available yet for this article.
September 20, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28920564/intentional-overdose-of-the-novel-anti-epileptic-drug-eslicarbazepine-presenting-with-recurrent-seizures-and-ventricular-dysrhythmias
#13
Jesse Thompson, James D Powell, Daniel H Ovakim
Eslicarbazepine is a novel anti-epileptic agent indicated for the treatment of partial-onset seizures. We present the case of an 18 year old female that presented to the Emergency Department four hours after a reported intentional ingestion of an estimated 5600 mg of eslicarbazepine. Although initially hemodynamically stable and neurologically normal, shortly after arrival she developed confusion, rigidity and clonus, followed by recurrent seizures, hypoxemia and cardiac arrest which responded to cardiopulmonary resuscitation and wide complex tachycardia requiring defibrillation...
September 18, 2017: CJEM
https://www.readbyqxmd.com/read/28901670/specificity-of-wide-qrs-complex-tachycardia-criteria-and-algorithms-in-patients-with-ventricular-preexcitation
#14
Marek Jastrzębski, Paweł Moskal, Piotr Kukla, Kamil Fijorek, Roksana Kisiel, Danuta Czarnecka
BACKGROUND: Despite substantial progress in the field of differentiation between ventricular tachycardia (VT) and supraventricular tachycardia (SVT) with wide QRS complexes, differentiation between VT and preexcited SVT remains largely unresolved due to significant overlap in QRS morphology. Our aim was to assess the specificities of various single ECG criteria and sets of criteria (Brugada algorithm, aVR algorithm, Steurer algorithm, and the VT score) for diagnosis of VT in a sizable cohort of patients with preexcitation...
September 12, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28875096/narrow-complex-ventricular-tachycardia
#15
Murtaza Sundhu, Mehmet Yildiz, Sajjad Gul, Mubbasher Syed, Idrees Azher, Robert Mosteller
Myocardial infarctions are frequently complicated by tachyarrhythmias, which commonly have wide QRS complexes (QRS duration > 120 milliseconds). Many published criteria exist to help differentiate between ventricular and supraventricular mechanisms. We present a case of a 61-year-old male with a history of hypertension, hyperlipidemia and coronary artery disease with prior stenting of the right coronary artery (RCA). He had been noncompliant with his antiplatelet medication and presented with cardiac arrest secondary to in-stent thrombosis...
July 4, 2017: Curēus
https://www.readbyqxmd.com/read/28862044/acute-lamotrigine-overdose-a-systematic-review-of-published-adult-and-pediatric-cases
#16
Bader Alyahya, Marjorie Friesen, Bénédicte Nauche, Martin Laliberté
CONTEXT: Lamotrigine is a broad-spectrum anticonvulsant commonly used to treat seizure and bipolar mood disorders. Evidence from case series and retrospective studies indicate that lamotrigine overdose is usually benign. However, there are reported cases of cardiac arrest and mortality following lamotrigine overdose. We undertook a systematic review of the literature on lamotrigine overdoses to better understand the clinical severity, the relevance of serum concentrations, and therapeutic interventions for overdose...
September 1, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28838551/general-approach-to-a-wide-qrs-complex
#17
REVIEW
Roberto De Ponti, Giuseppe Bagliani, Luigi Padeletti, Andrea Natale
Wide QRS complex is present when the normal activation pattern is modified by various mechanisms and clinical conditions. Correct interpretation is crucial for appropriate decision making. When approaching an electrocardiogram (ECG) with wide complex tachycardia, one must differentiate between ventricular tachycardia and supraventricular tachycardia conducted with aberrancy. ECG criteria are used and algorithms developed to aid in differential diagnosis. They are based on finding ECG signs of ventriculoatrial dissociation and QRS morphologies inconsistent with classic bundle branch block...
September 2017: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/28832094/initial-experience-of-catheter-ablation-for-cardiac-arrhythmias-in-children-and-adolescents-at-a-newly-built-ablation-centre
#18
Radosław Pietrzak, Piotr Lodziński, Tomasz Książczyk, Paweł Balsam, Monika Gawałko, Grzegorz Opolski, Bożena Werner
BACKGROUND: Catheter ablation (CA) therapy is the first choice treatment in adults with heart rhythm disturbances. The arrhythmias in adults are mainly conditioned by coronary disease. Etiology of arrhythmias in children is mostly associated with inherited heart disorders. According to the current guidelines the CA is widely used in children, indicating the need to make it more achievable in pediatric population. AIM: To assess efficacy and safety of CA in children with different types of arrhythmias on the initial learning curve at newly built Ablation Center in The Independent Pediatric Hospital of Medical University of Warsaw...
August 23, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28827222/an-irregular-wide-complex-tachycardia
#19
Thomas E Watts, H Thomas McElderry, G Neal Kay
No abstract text is available yet for this article.
August 22, 2017: Circulation
https://www.readbyqxmd.com/read/28764236/clinical-significance-of-the-forsaken-avr-in-evaluation-of-tachyarrhythmias-a-reminder
#20
Dharmendra Jain, Pradeep Nigam, Manoj Indurkar, Riyas Chiramkara
INTRODUCTION: Mechanism of a regular, monomorphic Wide QRS Complex Tachycardia (WCT) is an important diagnostic challenge in day to day practice for the clinicians and affects further management and prognosis. Many of the WCT and Narrow Complex Tachycardia (NCT) produce certain characteristic changes in lead aVR by which we can differentiate between them. AIM: The present study was aimed to evaluate tachyarrhythmias in relation to lead aVR and to highlight the clinical significance of lead aVR, "The Neglected Lead"...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
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