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Brugada syndrome (BrS) is a genetic disorder in which the electrical activity of the heart is abnormal due to channelopathy. [2] It increases the risk of abnormal heart rhythms and sudden cardiac death. [2]
Long QT syndrome, the most common form of cardiac channelopathy, is characterized by prolonged ventricular repolarization, predisposing to a high risk of ventricular tachyarrhythmias (e.g., torsade de pointes), syncope, and sudden cardiac death.
This form of ventricular tachycardia occurs relatively infrequently, but if seen is suggestive of an underlying diagnosis of CPVT or the related condition Andersen-Tawil syndrome. [ 8 ] [ 9 ] These ventricular arrhythmias in some cases terminate by themselves, causing a blackout from which the person then recovers.
The current American Heart Association (AHA) definition divides cardiomyopathies into primary, which affect the heart alone, and secondary, which are the result of illness affecting other parts of the body. These categories are further broken down into subgroups which incorporate new genetic and molecular biology knowledge.
XLP syndrome X-linked lymphoproliferative syndrome (see Duncan Disease) XLSA X-linked sideroblastic anemia: XMEA X-linked myopathy with excessive autophagy: XMEN X-linked immunodeficiency with magnesium defect, Epstein-Barr virus infection and neoplasia XP Xeroderma pigmentosa: XSCID X-linked severe combined immunodeficiency: XXX syndrome ...
Few medications have fascinated the public like GLP-1 receptor agonists, a class of drugs that includes Ozempic and Wegovy. Research shows that these medications can cause significant weight loss ...
Quinidine is occasionally used as a class I antiarrhythmic agent to prevent ventricular arrhythmias, particularly in Brugada Syndrome, although its safety in this indication is uncertain. [ 1 ] [ 4 ] It reduces the recurrence of atrial fibrillation after patients undergo cardioversion , but it has proarrhythmic effects and trials suggest that ...
Also known as “sundowner’s syndrome,” sundowning is a set of symptoms or behaviors that can be seen in some people with Alzheimer’s disease and dementia, according to the Alzheimer’s ...