A copy of an ECG (Electrocardiogram) readout from a 60 year-old British male experiencing from Type 2 Hypertension (high blood pressure), on 22nd October 2019, in London, England. Electrocardiography is the process of producing an electrocardiogram (ECG or EKG[a]), a recording – a graph of voltage versus time – of the electrical activity of the heart using electrodes placed on the skin.
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