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When atrialfibrillation (AF) begins, it can start with a single focus, degenerating to multiple wavelets, and it spreads throughout the entire surface area of both atria. 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.
ABSTRACT Background Atrialfibrillation and atrialflutter are relatively rare in young people and the incidence of thromboembolic complications is unknown. Structural heart disease (SHD) was present in 120 patients (57%) and 20 patients (10%) had a primary cardiomyopathy.
Wild-type transthyretin amyloid cardiomyopathy (ATTRwt-CM) is often accompanied by atrialfibrillation (AF), atrialflutter (AFL), and atrial tachycardia (AT), which are difficult to control because beta-blockers and antiarrhythmic drugs can worsen heart failure (HF).
male with pertinent past medical history including Atrialfibrillation, atrialflutter, cardiomyopathy, Pulmonary Embolism, and hypertension presented to the Emergency Department via ambulance for respiratory distress and tachycardia. Of course, this is NOT atrial fib, but rather PSVT, and so adenosine should work.
Although atrialfibrillation/atrialflutter (AFib/AFL) are common manifestations of transthyretin amyloid cardiomyopathy (ATTR-CM), a post hoc analysis of the ATTR-ACT study, published April 30 in JACC: CardioOncology, found they do not predict all-cause mortality.
Introduction Danon disease is an X-linked disorder caused by pathogenic variants in lysosome-associated membrane protein 2 ( LAMP2 ) gene, typically characterized by the triad of hypertrophic cardiomyopathy, myopathy, and intellectual disability. However, many patients may not present the typical presentation, especially in the early stage.
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 atrialfibrillation.
She also has a hx of paroxysmal atrialfibrillation and is on oral anticoagulant treatment. 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. The last echocardiography 12 months ago showed HFmrEF.
The absence of any wall motion abnormality makes ischemic cardiomyopathy very unlikely. There is atrial activity before every QRS, but that activity has negative polarity, so it is not sinus rhythm. The new onset cardiomyopathy was thought to be due to both drug/alcohol use and to Tachycardia-Induced Cardiomyopathy.
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