keyword
https://read.qxmd.com/read/37536784/evaluation-of-wide-complex-tachycardia
#21
REVIEW
Anthony M Angelow, Jennifer Coates
When a patient develops wide complex tachycardia, it is important to determine the cause quickly and accurately. This article will help the bedside nurse understand different causes, determine the most probable cause, and provide appropriate first-line treatment.
September 2023: Nursing Clinics of North America
https://read.qxmd.com/read/37517201/the-emergence-and-destiny-of-automated-methods-to-differentiate-wide-qrs-complex-tachycardias
#22
REVIEW
Sarah LoCoco, Anthony H Kashou, Peter A Noseworthy, Daniel H Cooper, Rugheed Ghadban, Adam M May
Accurate differentiation of wide complex tachycardias (WCTs) into ventricular tachycardia (VT) or supraventricular wide complex tachycardia (SWCT) using non-invasive methods such as 12‑lead electrocardiogram (ECG) interpretation is crucial in clinical practice. Recent studies have demonstrated the potential for automated approaches utilizing computerized ECG interpretation software to achieve accurate WCT differentiation. In this review, we provide a comprehensive analysis of contemporary automated methods for VT and SWCT differentiation...
2023: Journal of Electrocardiology
https://read.qxmd.com/read/37492042/a-regularly-irregular-wide-qrs-tachycardia-what-is-the-mechanism
#23
Konstantinos Tampakis, Alexandros Sykiotis, Sokratis Pastromas, George Andrikopoulos
No abstract text is available yet for this article.
July 2023: HeartRhythm Case Reports
https://read.qxmd.com/read/37487685/diagnostic-accuracy-of-different-ecg-based-algorithms-in-wide-qrs-complex-tachycardia-a-systematic-review-and-meta-analysis
#24
JOURNAL ARTICLE
Xingxing Sun, Yanling Teng, Shengnan Mu, Yilian Wang, Hongwu Chen
OBJECTIVE: Several ECG-based algorithms have been proposed to enhance the effectiveness of distinguishing Wide QRS complex tachycardia (WCT), but a comprehensive comparison of their accuracy is still lacking. This meta-analysis aimed to assess the diagnostic precision of various non-artificial intelligence ECG-based algorithms for WCT. DESIGN: Systematic review with meta-analysis. DATA SOURCES: Electronic databases (PubMed, MEDLINE, the Cochrane Library, and Web of Science) are searched up to May 2022...
July 24, 2023: BMJ Open
https://read.qxmd.com/read/37456938/wide-qrs-complex-tachycardia-after-catheter-ablation-of-bundle-branch-reentrant-tachycardia-what-is-the-mechanism
#25
JOURNAL ARTICLE
Chi-Jen Weng, Fa-Po Chung
No abstract text is available yet for this article.
July 2023: Acta Cardiologica Sinica
https://read.qxmd.com/read/37450450/a-rare-case-of-wolff-parkinson-white-syndrome-associated-with-right-atrial-aneurysm
#26
Meryem Beyazal, Senem Özgür
Wolff-Parkinson-White syndrome is rarely associated with a right atrial aneurysm. However, when such a condition occurs, it will be hard to manage since pre-excitation will be induced as long as the aneurysm persists. A 14-year-old female patient received emergency treatment for irregular wide QRS complex tachycardia in our center, and a pre-excitation pattern was then observed on the surface electrocardiogram. An initial electrophysiological study revealed a high-risk right posterior accessory pathway that was resistant to both radiofrequency and irrigated radiofrequency ablations...
July 2023: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://read.qxmd.com/read/37449265/case-report-use-of-therapeutic-drug-monitoring-and-pharmacogenetic-testing-as-opportunities-to-individualize-care-in-a-case-of-flecainide-toxicity-after-fetal-supraventricular-tachycardia
#27
Ronald Palmen, Tracy Sandritter, Lindsey Malloy-Walton, Christopher Follansbee, Jonathan B Wagner
Flecainide is a class IC antiarrhythmic utilized in prophylaxis of refractory paroxysmal supraventricular tachycardias in pediatric populations. Despite being a highly effective agent, its narrow therapeutic index increases the risk of toxicity and proarrhythmic events, including wide-complex tachycardia. In the absence of direct plasma sampling in the fetus to quantitate flecainide systemic concentrations, clinicians typically make drug dosing decisions from maternal plasma concentrations and QRS duration on maternal ECGs...
2023: Frontiers in Pediatrics
https://read.qxmd.com/read/37438041/cocaine-induced-na-channel-blocking%C3%A2-effect
#28
JOURNAL ARTICLE
Charles Dehout, Alexis Werion, David Grimaldi
No abstract text is available yet for this article.
July 2023: JACC. Clinical Electrophysiology
https://read.qxmd.com/read/37425658/case-report-successful-termination-of-ventricular-tachycardia-by-intrinsic-anti-tachycardia-pacing-beyond-conventional-anti-tachycardia-pacing
#29
Shuichiro Kazawa, Kazuhiro Satomi, Hidetaka Murakami, Nobuhiro Tanaka
BACKGROUND: Anti-tachycardia pacing (ATP) is a pain-free alternative to defibrillation shock for monomorphic ventricular tachycardia (VT). Intrinsic ATP (iATP) is a novel algorithm of auto-programmed ATP. However, the advantage of iATP over conventional ATP in clinical cases is still unknown. CASE SUMMARY: A 49-year-old man with no significant past medical history was transferred to our institution with sudden-onset fatigue from working on a farm. A 12-lead electrocardiogram showed monomorphic sustained wide QRS tachycardia with a right bundle branch block pattern and superior axis deviation with a cycle length (CL) of 300 ms...
July 2023: European Heart Journal. Case Reports
https://read.qxmd.com/read/37321684/physiologic-variants-of-cardiac-conduction-aberration-gap-supernormal-conduction
#30
REVIEW
William M Miles, Philip George
Wide QRS complexes during supraventricular rhythms can be caused by fixed bundle branch block, functional (intermittent) bundle branch block, preexcitation, or toxic/metabolic causes. Functional bundle branch block can be caused by long-short aberrancy (usually physiologic), or acceleration/deceleration dependent aberrancy (usually pathologic). Electrocardiogram criteria have been proposed to differentiate aberration from ventricular tachycardia; they are not always accurate. The gap phenomenon "paradox" is that with increasingly premature extrastimuli, progressive proximal conduction delay allows time for distal recovery of excitability...
August 2023: Cardiology Clinics
https://read.qxmd.com/read/37318051/sodium-bicarbonate-treatment-for-qrs-widening-in-bupropion-overdoses
#31
JOURNAL ARTICLE
Michael Simpson, Linda Johnson, Charlotte Goldfine
INTRODUCTION: Bupropion cardiotoxicity widens QRS complexes by inhibiting cardiac gap junctions. Sodium bicarbonate is the standard treatment for QRS widening from sodium channel blockade, but its effect on QRS widening in bupropion cardiotoxicity is not well-studied. METHODS: This is a retrospective cohort study of bupropion overdoses from 10 hospitals between January 2010 and June 2022. Patients with documented administration of sodium bicarbonate and QRS duration > 100 milliseconds on pre-bicarbonate electrocardiogram were included...
June 2023: Clinical Toxicology
https://read.qxmd.com/read/37292562/shark-fin-occlusive-myocardial-infarction-ecg-pattern-post-cardiac-arrest-misinterpreted-as-ventricular-tachycardia
#32
Jose Escabi-Mendoza, Porfirio E Diaz-Rodriguez, Richard D Silva-Cantillo
In addition to the well-known convex ST-segment elevation myocardial infarction (STEMI) pattern associated with acute occlusive myocardial infarction (OMI), there are other cases that are recognized as OMI without fulfilling the established characteristic STEMI criteria. Over one-fourth of the patients initially classified as having non-STEMI can be re-classified as having OMI by recognizing other STEMI equivalent patterns. We report a case of a 79-year-old man with multiple comorbidities who was brought to the ED by paramedics with a two-hour history of ongoing chest pain...
May 2023: Curēus
https://read.qxmd.com/read/37267820/ventricular-pre-excitation-in-cats-17-cases
#33
MULTICENTER STUDY
M Sidler, G Santarelli, A Kovacevic, J Novo Matos, N Schreiber, M Baron Toaldo
OBJECTIVES: Atrioventricular accessory pathways are abnormal electrical connections between the atria and ventricles that predispose to ventricular pre-excitation (VPE) and tachycardias. ANIMALS: Seventeen cats with VPE and 15 healthy matched-control cats. MATERIAL AND METHODS: Multicenter case-control retrospective study. Clinical records were searched for cats with VPE, defined as preserved atrioventricular synchrony, reduced PQ interval, and increased QRS complex duration with a delta wave...
June 2023: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://read.qxmd.com/read/37219976/pulsed-ventricular-tachycardia-a-case-study
#34
JOURNAL ARTICLE
Rowena Rowberry, Gerri Mortimore
Ventricular tachycardia (VT) is an arrhythmia that originates from the ventricles of the heart and presents as a wide and prolonged QRS complex on the electrocardiograph of greater than 120 milliseconds, with a heart rate of over 100 beats per minute. VT can occur as a pulsed or pulseless rhythm. Pulseless VT occurs when the ventricles cannot effectively pump blood out of the heart, therefore resulting in no cardiac output. Pulsed VT can manifest with the patient presenting asymptomatically, or with symptoms of reduced cardiac output resulting from poor ventricular filling...
May 25, 2023: British Journal of Nursing: BJN
https://read.qxmd.com/read/37184846/-narrow-wide-narrow-qrs-complex-tachycardia-beware-the-smartwatch-monsters
#35
JOURNAL ARTICLE
Vincenzo Russo, Antonia Ascrizzi, Alfredo Mauriello
No abstract text is available yet for this article.
July 1, 2023: JAMA Internal Medicine
https://read.qxmd.com/read/37088681/the-application-of-a-new-modified-algorithm-for-the-differentiation-of-regular-ventricular-and-pre-excited-tachycardias
#36
JOURNAL ARTICLE
András Vereckei, András Simon, Gábor Szénási, John M Miller
BACKGROUND: The three-step Brugada group algorithm is the only published electrocardiographical (ECG) algorithm for differentiating ventricular tachycardia (VT) from pre-excited tachycardia (PXT) as a cause of regular wide QRS complex tachycardia (WCT). This study aimed to improve the diagnostic accuracy of the Brugada group algorithm. METHODS: This study modified the Brugada group algorithm by adding a new aVR lead criterion (initial positive deflection in lead aVR and the QRS complex area above the baseline is greater than the area below the baseline)...
April 22, 2023: Heart, Lung & Circulation
https://read.qxmd.com/read/37036725/chest-pain-and-wide-qrs-tachycardia
#37
JOURNAL ARTICLE
János Tomcsányi, Péter Arányi
No abstract text is available yet for this article.
June 1, 2023: JAMA Internal Medicine
https://read.qxmd.com/read/36989954/comparison-of-two-artificial-intelligence-augmented-ecg-approaches-machine-learning-and-deep-learning
#38
JOURNAL ARTICLE
Anthony H Kashou, Adam M May, Peter A Noseworthy
BACKGROUND: Artificial intelligence-augmented ECG (AI-ECG) refers to the application of novel AI solutions for complex ECG interpretation tasks. A broad variety of AI-ECG approaches exist, each having differing advantages and limitations relating to their creation and application. PURPOSE: To provide illustrative comparison of two general AI-ECG modeling approaches: machine learning (ML) and deep learning (DL). METHOD COMPARISON: Two AI-ECG algorithms were developed to carry out two separate tasks using ML and DL, respectively...
March 15, 2023: Journal of Electrocardiology
https://read.qxmd.com/read/36974046/narrow-qrs-complex-tachycardia-with%C3%A2-variable-r-r-intervals-and-discrete%C3%A2-p-waves
#39
JOURNAL ARTICLE
Daisuke Yakabe, Yusuke Fukuyama, Masahiro Araki, Toshihiro Nakamura
Irregular narrow QRS complex tachycardia is associated with a wide range of differential diagnoses, including atrial fibrillation and atrial tachyarrhythmia with altered atrioventricular conduction. Here, we present a case of narrow QRS complex tachycardia with variable R-R intervals and discrete P waves. ( Level of Difficulty: Intermediate. ).
March 15, 2023: JACC. Case reports
https://read.qxmd.com/read/36931577/usefulness-of-doppler-transthoracic-echocardiography-for-the-diagnosis-of-wide-qrs-complex-tachycardia
#40
JOURNAL ARTICLE
David Hamon, Thibaut Moulin, Eroan Nicolas, Jean-Philippe Labbé, Julien Ternacle, Raphaelle Huguet, Pascal Lim, Geneviève Derumeaux, Emmanuel Teiger, John M Miller, Nicolas Lellouche
No abstract text is available yet for this article.
August 2023: Journal of the American Society of Echocardiography
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