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https://www.selleckchem.com/products/mito-tempo.html Brugada syndrome is a rare arrhythmogenic syndrome that is associated with an increased risk of ventricular fibrillation and sudden cardiac death. Electrocardiographic findings include patterns similar to a right bundle branch block (RBBB) and persistent ST-segment elevation in precordial leads (V1 and V2). There are numerous reports of Brugada syndrome mimicking ST-segment elevation myocardial infraction (STEMI); however, we describe a case of 47-year-old male who presented with STEMI mimics Brugada syndrome with preexisting RBBB. The patient developed polymorphic ventricular tachycardia generating into ventricular fibrillation right before catheterization making the diagnosis more challenging. The patient, eventually, was found to have obstructive coronary artery disease and no evidence of abnormal sodium channelopathy on further testing. This case highlights the importance of meticulous history taking and appropriate diagnostic test in establishing proper diagnosis of STEMI in a patient with preexisting RBBB, which can mimic Brugada syndrome.Background High blood pressure (BP) is a well-known risk factor for atrial fibrillation (AF), but a single BP measurement may provide limited information about AF risk in older adults. Methods and Results This study included 1256 MESA (Multi-Ethnic Study of Atherosclerosis) and 1948 ARIC (Atherosclerosis Risk in Communities) study participants who underwent extended ambulatory electrocardiographic monitoring and who were free of clinically detected cardiovascular disease, including AF. Using BP measurements from 6 examinations (2000-2018 in MESA and 1987-2017 in ARIC study), we calculated individual long-term mean, trend, and detrended visit-to-visit variability in systolic BP and pulse pressure for each participant. Outcomes, assessed at examination 6, included subclinical AF and supraventricular ectopy. Results from each study were combined with inverse variance-weighted

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