car·di·o·graph (kär d--gr f) n. 1. An instrument used to record the mechanical movements of the heart. 2. See electrocardiograph. car di·og ra·phy (-g r-f) n.
car·di·o·graph (kär d--gr f) n. 1. An instrument used to record the mechanical movements of the heart. 2. See electrocardiograph. car di·og ra·phy (-g r-f) n.
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