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Carbohydrate malabsorption is a frequent digestive problem associated with abdominal pain, bloating and diarrhea. Hydrogen breath testing (BT) represents the most reliable and validated diagnostic technique. The aim of this manuscript was to clarify the usefulness of BTs in the nutritional management of these disorders. A literature search for BT related to carbohydrate malabsorption was carried out using the online databases of Pubmed, Medline and Cochrane. Lactose BT showed good sensitivity and optimal specificity for lactose mal

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The new guidelines for the diagnosis and management of atrial fibrillation (AF) were published by the European Society of Cardiology (ESC) in collaboration with the European Association for Cardio-Thoracic Surgery (EACTS) in August 2020. The 2020 guidelines of the ESC on AF summarize the current developments in this field and provide general recommendations for the management of patients with AF based on the principles of evidence-based medicine. Beside the general statements on definition, epidemiology and clinical features of AF, inter