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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 ...
Ventricular tachycardia can occur due to coronary heart disease, aortic stenosis, cardiomyopathy, electrolyte problems (e.g., low blood levels of magnesium or potassium), inherited channelopathies (e.g., long-QT syndrome), catecholaminergic polymorphic ventricular tachycardia, arrhythmogenic right ventricular dysplasia, alcohol withdrawal ...
Catecholaminergic polymorphic ventricular tachycardia; Ectopic beat (cardiac ectopy) Ectopic pacemaker (Ectopic focus) First-degree atrioventricular block (First-degree AV block, PR prolongation) Heart block; Inappropriate sinus tachycardia; Jervell and Lange-Nielsen syndrome; Junctional escape beat; Junctional rhythm; Left bundle branch block
This results in a net depolarizing current. The classical feature is Bidirectional ventricular tachycardia. Also seen in catecholaminergic polymorphic ventricular tachycardia (CPVT). Delayed afterdepolarization is also seen in myocardial infarction.
Tachycardia, also called tachyarrhythmia, is a heart rate that exceeds the normal resting rate. [1] In general, a resting heart rate over 100 beats per minute is accepted as tachycardia in adults. [1] Heart rates above the resting rate may be normal (such as with exercise) or abnormal (such as with electrical problems within the heart).
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.
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.
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 channel: Erythromelalgia: Voltage-gated sodium channel
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262 Neil Avenue # 430, Columbus, Ohio · Directions · (614) 221-7464