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Catecholaminergic polymorphic ventricular tachycardia (CPVT) is an inherited genetic disorder that predisposes those affected to potentially life-threatening abnormal heart rhythms or arrhythmias. The arrhythmias seen in CPVT typically occur during exercise or at times of emotional stress, and classically take the form of bidirectional ...
Examples of these inherited arrhythmia syndromes include Long QT syndrome (LQTS), Brugada Syndrome, Catecholaminergic polymorphic ventricular tachycardia, and Short QT syndrome. Many are also associated with environmental or neurogenic triggers such as response to loud sounds that can initiate lethal arrhythmias.
CPVT (catecholaminergic polymorphic ventricular tachycardia), PCCD (progressive cardiac conduction defect), Early repolarization syndrome, Mixed sodium channel disease, Short QT syndrome, Idiopathic ventricular fibrillation (IVF) Structural heart disease: Arrhythmogenic right ventricular cardiomyopathy (ARVC), Dilated cardiomyopathy (DCM),
Catecholaminergic means "related to catecholamines". The catecholamine neurotransmitters include dopamine , epinephrine (adrenaline), and norepinephrine (noradrenaline). A catecholaminergic agent (or drug ) is a chemical which functions to directly modulate the catecholamine systems in the body or brain.
Catechol. A catecholamine (/ ˌ k æ t ə ˈ k oʊ l ə m iː n /; abbreviated CA) is a monoamine neurotransmitter, an organic compound that has a catechol (benzene with two hydroxyl side groups next to each other) and a side-chain amine.
Brugada syndrome was described as a cause for the sudden unexplained cardiac death syndrome seen in Thai men in 1997. [50] The first genetic mutations affecting the SCN5A gene associated with the syndrome were identified by their brother Ramon Brugada in 1998, [ 13 ] with many more mutations affecting at least 19 genes subsequently identified ...
Also, past medical history and family history may provide indications to the etiology of the palpitations. [1] Palpitations that have been a condition since childhood are most likely caused by a supraventricular tachycardia, whereas palpitations that first occur later in life are more likely to be secondary to structural heart disease. [1]
This person was eventually diagnosed with tachycardia-induced cardiomyopathy. [7] There are no specific diagnostic criteria for TIC, and it can be difficult to diagnose for a number of reasons. First, in patients presenting with both tachycardia and cardiomyopathy, it can be difficult to distinguish which is the causative agent. [5]