Philips ECG MachinePhilips ECG Machine PageWriter TC20 Cardiograph Description The Page Writer TC20 is advanced, easy to use, and affordable while still supporting your evolving workflow needs. The 1 2 3 touch operation leads you through acquisition, analysis, storage, printing, and accessing previous ECGs with ease. Further enhancing effi ciency, worklists and patient demographics can be downloaded using wired or wireless LAN via standard XML, HL7, and DICOM