3 Bilder zum Thema "pacing cells" bei ClipDealer

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Atrial focal originating in the left upper pulmonary vein, with an upright P wave in V1 and wide duration, inverted P wave in lead aVL and an upright P wave with notch in inferior leads.
During nocturnal sleep, vagus tone is elevated, and ECG may show both sinus bradycardia and first-degree atrioventricular block.
Italian honeybees constucting new honeycomb

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