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The electrocardiogram usually appears as part of the design in stamps issued for World Health Days relating to cardiovascular diseases: your heart is your health (1972), hypertension (1978), antismoking campaign (1980). The electrocardiogram has a prominent place in the design of the stamp from Poland issued for the 1972 campaign. In the Albanian stamp of the same year the central design features are the electrocardiograph machine and the single channel electrocardiogram tracing. Electrocardiographic monitoring is shown on the 1972 Austrian stamp.