How to Use "cardiograph" with Example Sentences

1. A cardiograph records the heartbeat .
2. Conclusion : the effect of fluoxetine on cardiograph was lower than that of amitriptyline .
3. The cardiograph is one of the most useful tools doctors have in the fight against heart disease .
4. Objective to find out the cardiograph change of patientswho underwent thoracotomy and analyze the result . That provides endence for clinical prevention and treatment .