Results 111 to 120 of about 42,114 (261)

Congenital sick sinus syndrome with breath holding and severe syncope episodes during infancy. A case report

The Turkish Journal of Pediatrics, 2000
Sick sinus syndrome is a rare cause of bradycardia in children without structural heart disease. A case of profound sinus bradycardia, sinus arrest with junctional escape, and pauses in a two-year-old infant with breath-holding and syncope ...
T Karagöz, A Celiker, S Ozer, S Ozme, M Saraçlar   +4 more
doaj  

New Concepts in Pacemaker Syndrome [PDF]

, 2004
After implantation of a permanent pacemaker, patients may experience severe symptoms of dyspnea, palpitations, malaise, and syncope resulting from pacemaker syndrome.
Estes, Mark NA III, Farmer, Michael D, Link, Mark S   +2 more
core  

Age‐ and sex‐specific modulation of human cardiac electrophysiology by doxorubicin

The Journal of Physiology, EarlyView.
Abstract figure legend DOX differentially impacts cardiac electrophysiology based on sex and age. Sex differences were primarily observed among younger hearts, where action potential duration (APD) prolongation was observed in females, but not in males. Created using BioRender. George, S. (2026) https://BioRender.com/wresf1k Abstract Acute doxorubicin (
Sharon A. George, Amber V. Mills, Erin O'Neill, Sofian N. Obaid, Igor R. Efimov, Tatiana Efimova   +5 more
wiley   +1 more source

Favipiravir‐induced bradycardia: A case report

Clinical Case Reports
Key Clinical Message The purpose of this case report is to reveal one of the cardiovascular side effects of favipiravir, sinus bradycardia. Abstract Favipiravir has emerged as a potential treatment for COVID‐19, with its antiviral properties showing ...
Alireza Kashefizadeh, Laya Ohadi, Farbod Amiri, Maryam Abdolmaleki, Vahid Eslami, Mehrdad Jafari Fesharaki   +5 more
doaj   +1 more source

Prevention of Bradycardia by Atropine Sulfate During Urological Laparoscopic Surgery A Randomized Controlled Trial [PDF]

, 2009
anesthesia for laparoscopy. The aim of this study was to evaluate the efficacy of atropine sulfate for prevention of bradyarrhythmia during laparoscopic surgery.
Aghamohammadi, Homayoun., Mehrabi, Sadrollah., Mohammad Ali Beigi, Faramarz.   +2 more
core   +1 more source

Myocardial toxicity in two dogs with natural exposure to ractopamine

Veterinary Record Case Reports, Volume 14, Issue 2, May 2026.
Abstract Two dogs that lived in a farm setting were presented to the Texas A&M University Veterinary Medical Teaching Hospital's Emergency Service exhibiting muscle tremors and ventricular arrhythmias following ingestion of ractopamine, a ß‐2 agonist feed‐additive used in beef cattle, pigs and turkeys intended for slaughter to increase muscle mass. The
Sophie Tippit, Igor Yankin, Molly Wart, Sonya Wesselowski   +3 more
wiley   +1 more source

The λ pattern on time-RR interval scatter plot of neonatal ambulatory ECG: a marker of transient bradycardia

Frontiers in Cardiovascular Medicine
BackgroundNeonatal bradycardia often triggers transient escape rhythms that challenge clinical diagnosis, with current methods lacking dynamic biomarkers for risk stratification.ObjectiveTo validate the λ pattern, a heart rate dynamic signature on time ...
Hualian Li, Xin Wei, Fengna Zhu, Fei Zheng, Tingting Yu   +4 more
doaj   +1 more source

A Review of Vagus Nerve Stimulation for Disease: Comprehensive Theory and Evidence for Mechanisms of Action

Comprehensive Physiology, Volume 16, Issue 2, April 2026.
Vagus nerve stimulation (VNS) effects span central and peripheral organ systems through diverse mechanistic pathways. This comprehensive review provides a unified synthesis of these mechanisms across neurological, cardiovascular, immunological, metabolic, and gastrointestinal domains, filling a critical gap and serving as a foundational resource for ...
Yifeng Bu, Alex Liang, Benjamin U. Hoffman, Dawn M. Schiehser, Oliver Case, Alan Simmons, Ruth Klaming, Andres Gottfried‐Blackmore, Ravinder K. Mittal, Christopher Puleo, Hubert Lim, Imanuel Lerman   +11 more
wiley   +1 more source

A middle cerebral artery ischemic stroke occurring in a child with a large prolactinoma. [PDF]

, 2020
Pituitary adenomas are rare in children, and often present with symptoms of headache, nausea or emesis, visual disturbance, or hormonal hypersecretion.
Amara, Dominic, Clerkin, Patricia, Gupta, Nalin, Oh, Taemin   +3 more
core  

Management Strategies for Refractory Esophageal Varices

DEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Refractory esophageal varices that are difficult to control or unresponsive to endoscopic treatment remain a major clinical challenge in the management of portal hypertension. This review provides a comprehensive overview of treatment strategies for these cases, along with a comparative analysis of the American Association for the Study of ...
Keita Maki, Hiroaki Haga, Yoshiyuki Ueno
wiley   +1 more source