#electrocardiogram__cardiogram__EKG__ECG  a graphical recording of the cardiac cycle produced by an electrocardiograph
  supertype:  #graph__graphical_record__graphicalrecord  a drawing illustrating the relations between certain quantities plotted with reference to a set of axes
  part of:  #medical_checkup__medicalcheckup__checkup__medical_examination__medicalexamination__medical_exam__medicalexam__medical__health_check  a thorough physical examination; includes a variety of tests depending on the age and sex and health of the person

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