Results 51 to 60 of about 279,908 (354)

Andersen-Tawil syndrome: report of 3 novel mutations and high risk of symptomatic cardiac involvement. [PDF]

open access: yes, 2014
IntroductionAndersen-Tawil syndrome (ATS) is a potassium channelopathy affecting cardiac and skeletal muscle. Periodic paralysis is a presenting symptom in some patients, whereas, in others, symptomatic arrhythmias or prolongation of QT in ...
Bieganowska, Katarzyna   +11 more
core   +2 more sources

Genetics of Long QT Syndrome [PDF]

open access: yesMethodist DeBakey Cardiovascular Journal, 2014
Long QT syndrome (LQTS) is a potentially life-threatening cardiac arrhythmia characterized by delayed myocardial repolarization that produces QT prolongation and increased risk for torsades des pointes (TdP)-triggered syncope, seizures, and sudden cardiac death (SCD) in an otherwise healthy young individual with a structurally normal heart.
David J, Tester, Michael J, Ackerman
openaire   +2 more sources

Prevalence of Long QT Syndrome in Children with Congenital Sensory-Neural Deafness

open access: yesJournal of Ardabil University of Medical Sciences, 2021
Background & objectives: Long QT syndrome (LQTS), congenital or acquired disorder, is characterized by a prolonged QT interval associated with syncope attacks and sudden death.
Ahmad Jamei Khosroshahi   +4 more
doaj  

Comparative Characteristics of Beta-Blockers in Patients with Congenital Long QT Syndrome

open access: yesРациональная фармакотерапия в кардиологии, 2021
Congenital long QT syndrome is a pathology that requires special attention and knowledge about the safety and effectiveness of various medications.
A. Yu. Proshlyakov   +2 more
doaj   +1 more source

Long QT syndrome and anaesthesia [PDF]

open access: yesBritish Journal of Anaesthesia, 2003
Long QT syndrome (LQTS) is an arrhythmogenic cardiovascular disorder resulting from mutations in cardiac ion channels. LQTS is characterized by prolonged ventricular repolarization and frequently manifests itself as QT interval prolongation on the electrocardiogram (ECG). The age at presentation varies from in utero to adulthood.
P D, Booker, S D, Whyte, E J, Ladusans
openaire   +2 more sources

Electrophysiology of the long qt syndromes [PDF]

open access: yesClinical Cardiology, 1990
The long QT syndromes are a collection of disorders, both acquired and congenital, in which episodes of syncope or presyncope occur secondary to a specific ventrticular tachycardia, «torsade de pointes», which arises in the setting of prolongation of ventricular repolarization as manifested by a prolonged QT interval on the surface electrocardiogram ...
N J, Linker, D E, Ward
openaire   +2 more sources

Congenital long QT syndrome in children [PDF]

open access: yesMedicinski Podmladak, 2016
Long QT syndrome (LQTS) is a cardiac repolarization disorder characterized by prolonged QT interval on the electrocardiogram (ECG) and increased propensity to ventricular tachyarrhythmias and cardiac events.
Cerović Ivana, Košutić Jovan
doaj   +1 more source

Adverse reactions of amiodarone [PDF]

open access: yes, 2019
Adverse drug reaction is defined by the World Health Organization as any response to a drug that is noxious and unintended and occurs at a dose normally used in man.
Calvosa, Leonardo   +5 more
core   +1 more source

Mexiletine Shortens the QT Interval in Patients With Potassium Channel-Mediated Type 2 Long QT Syndrome.

open access: yesCirculation: Arrhythmia and Electrophysiology, 2019
BACKGROUND Long QT syndrome is a potentially lethal yet highly treatable cardiac channelopathy. Although β-blocker therapy is standard for most patients, concomitant therapy with sodium channel blockers, like mexiletine, is often utilized for patients ...
J. Bos   +6 more
semanticscholar   +1 more source

Age‐related differences in hydroxychloroquine‐associated adverse events: A pharmacovigilance study based on the FDA Adverse Event Reporting System

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
Aims This real‐world pharmacovigilance study utilizes FDA Adverse Event Reporting System (FAERS) data (2004–2024) to characterize age‐related disparities in hydroxychloroquine (HCQ)‐associated adverse events (AEs), addressing gaps in age‐stratified risk assessment. Methods Disproportionality analysis (reporting odds ratios, RORs) and parametric Weibull
Guanghan Sun   +4 more
wiley   +1 more source

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