11. After a few months, Waller successfully recorded the first human electrocardiography using the capillary electrometer. 12. A ground breaking medical scientist, MacNalty was the first to use electrocardiography in clinical medicine. 13. The Holter's most common use is for monitoring heart activity ( electrocardiography or ECG ). 14. Being one of the pioneers in the use of electrocardiography has made significant contributions on Chagas disease. 15. Worked mentor of electrocardiography at the Cardiology postgraduate course at the Zulia State University ( LUZ ). 16. Together with his anatomic findings and physiological assumptions, it contributed to the rapid popularization of electrocardiography . 17. The overall goal of performing electrocardiography is to obtain information about the structure and function of the heart. 18. In 1913, he published the book " Clinical Electrocardiography ", the first treaty on electrocardiography. 19. In 1913, he published the book " Clinical Electrocardiography ", the first treaty on electrocardiography . 20. In 1908, Arthur MacNalty and Thomas Lewis ( cardiologist ) teamed to employ electrocardiography to diagnose Heart block.