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Wellens' syndrome is an electrocardiographic manifestation of critical proximal left anterior descending (LAD) coronary artery stenosis in people with unstable angina. Originally thought of as two separate types, A and B, it is now considered an evolving wave form, initially of biphasic T wave inversions and later becoming symmetrical, often ...
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 ...
Rare diseases called ion channelopathies may play a role such as long QT syndrome (LQTS), Brugada syndrome (BrS), CPVT (catecholaminergic polymorphic ventricular tachycardia), progressive cardiac conduction defect (PCCD), early repolarization syndrome, mixed sodium channel disease, and short QT syndrome. [13]
Abnormalities in this system occur in relatively rare genetic diseases such as Long QT syndrome, Brugada syndrome, and Catecholaminergic polymorphic ventricular tachycardia, all associated with sudden death. Consequently, autopsy-negative sudden cardiac deaths (no physical abnormalities identified) may comprise a larger part of the ...
Bartter syndrome: various, by type Brugada syndrome: various, by type Catecholaminergic polymorphic ventricular tachycardia (CPVT) Ryanodine receptor: Congenital hyperinsulinism: Inward-rectifier potassium ion channel: Cystic fibrosis: Chloride channel Dravet syndrome: Voltage-gated sodium channel: Episodic ataxia: Voltage-gated potassium ...
Weissenbacher–Zweymüller syndrome; Wellens' syndrome; Wende–Bauckus syndrome; Werner syndrome; Wernicke–Korsakoff syndrome; West syndrome; Westerhof syndrome; Wet lung syndrome in newborn; WHIM syndrome; White dog shaker syndrome; White dot syndromes; White spot syndrome; White-nose syndrome; Wiedemann-Steiner syndrome; Wiedemann ...
Antley–Bixler syndrome: Barth syndrome: Brugada syndrome: Cantú syndrome: genetic (Chromosome 12, autosomal dominant) Cardiac syndrome X: Cardiorenal syndrome: Kidney Cat eye syndrome: CHARGE syndrome: Coffin–Lowry syndrome: genetic (RPS6KA3 gene mutation, Chromosome X) Costello syndrome: Down syndrome: genetic (Chromosome 21) Dressler ...
It can also evaluate the risk in people with Wolff-Parkinson-White syndrome, as well as terminate supraventricular tachycardia caused by re-entry. [48] An intracardiac electrogram (ICEG) is essentially an ECG with some added intracardiac leads (that is, inside the heart). The standard ECG leads (external leads) are I, II, III, aVL, V 1, and V 6 ...