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Wild-type transthyretin amyloid cardiomyopathy (ATTRwt-CM) is often accompanied by atrial fibrillation (AF), atrialflutter (AFL), and atrial tachycardia (AT), which are difficult to control because beta-blockers and antiarrhythmic drugs can worsen heart failure (HF).
Cheng and Zhang to our paper1, we note that despite ARVC being a relatively uncommon cardiomyopathy, we uniquely report on a large clinical experience with very long-term follow-up after VT ablation and confirm a high incidence of atrialflutter (AFL) and the effectiveness and low risk of catheter ablation of AFL.
Publication date: Available online 17 December 2023 Source: The American Journal of Cardiology Author(s): Hugo De Larochellière, François Brouillette, Patrick Lévesque, Nicolas Dognin, Raphaël St-Germain, Goran Rimac, Sylvain Lemay, François Philippon, Mario Sénéchal
A fibrillatory wave that occurs at a rate of more than 600 beats per minute can cause fatigue in the long run, leading to atrial dilation. In all probability, this dilation is a form of atrial tachycardia and atrialcardiomyopathy. We know atrialflutters can be confined to one atrium.
They had a history of non-ischemic cardiomyopathy (EF 30%), as well as PCI with one stent. The WCT is interrupted by a series of variable-morphology QRS complexes, with atrialflutter waves note in II, III, and aVF. The subsequent EP study could not induce VT, only atrial fibrillation.
The ECG was interpreted as showing atrialflutter with 2:1 conduction. The heart rate could be compatible with that of a 2:1 conducted atrialflutter. Also, lead I could give the initial impression of showing flutter waves. After atrial rhythm/SR was restored the patient slowly improved.
The Differential Diagnosis is: SVT with aberrancy(#) [AVNRT vs. WPW (also called AVRT*)] Atrialflutter with 1:1 conduction, with aberrancy VT coming from the anterior fascicle ( fascicular VT )@ *AVRT = AV Reciprocating Tachycardia (Tachycardic loop that uses both the AV node and an accessory pathway.
It is often drug-resistant and likely to occur concomitantly with tachycardia-induced cardiomyopathy, making radiofrequency catheter ablation the preferred treatment. of the patients (22/28) who received preoperative pharmacological treatment had intermittent or persistent atrial tachycardia. A total of 78.6% After 26.89 ± 18.17
Whenever I see PVCs with the morphology and axis seen in todays case I always look for signs of AC ( Arrhythmogenic Cardiomyopathy ). Arrhythmogenic cardiomyopathy often manifests with PVCs from the RV. The ECG in Figure-1 however, shows no signs of arrhythmogenic cardiomyopathy.
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