Pre-excited atrial fibrillation 3. Antidromic atrioventricular re-entrant tachycardia 4. Aberrant conduction during atrial fibrillation ### Case resolution The ECG shows a wide QRS complex tachycardia ...

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Biffi A, Pelliccia A, Verdile L, et al. Long-term clinical significance of frequent and complex ventricular tachyarrhythmias in trained athletes. J Am Coll Cardiol 2002;40:446-52. Lampert R, Chung EH, ...

Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a heart rhythm problem, or arrhythmia.If you have it, your heartbeat is faster and irregular at times. When this happens, it’s ...

Source Reference: Li Y, et al "A small wave missed in wide complex tachycardia" JAMA Intern Med 2024; DOI: 10.1001/jamainternmed.2023.7883.

Rationale:The recessive form of catecholaminergic polymorphic ventricular tachycardia is caused by mutations in the cardiac calsequestrin-2 gene; this variant of catecholaminergic polymorphic ventric ...

Polymorphic ventricular tachyarrhythmias are highly lethal arrhythmias. Several types of polymorphic ventricular tachycardia have similar electrocardiographic characteristics but have different modes ...

Tachycardia is when the heart rate is more than 100 bpm, whereas bradycardia is when the heart rate is slower than 60 bpm. Arrhythmia is an abnormal heart rhythm. Many arrhythmias can cause a ...