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first-rate EMT SF6 sensor manual

first-rate EMT SF6 sensor manual

Oct 08, 2017Basic EKG interpretation. 1. Heart rate: The standard paper speed is 25 mm (5 large squares)/sec. This means that if the interval between two beats (R-R) is 5 large squares, the HR is 60 beat/min. The HR may be counted by simply dividing 300 by the number of the large squares between two heart beats (R-R). If the interval between two beats is

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