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https://pubmed.ncbi.nlm.nih.gov/32740441/ Low hospitalization rate without severe arrhythmias: a prospective survey on 350 patients early... Low hospitalization rate without severe arrhythmias: a prospective survey on 350 patients early home treated with hydroxychloroquine during COVID-19 pandemic lowhospitalizationratewithoutsevere https://www.medicinenet.com/heart_rhythm_disorders/article.htm Heart Rhythm Disorders (Arrhythmias) Types, Triggers, Warning Signs, Treatment Heart rhythm disorders (arrhythmias) occur when the heart's electrical system malfunctions. Discover the different types (like atrial fibrillation), causes,... heart rhythmwarning signsdisordersarrhythmiastypes