Theory of Operation High Level ECG Data Flow and Storage
8-8 PageWriter TC 70 Cardiograph Service Manual
Internal Main Archive
The internal main archive resides on the internal CompactFlash (CF) card, and is used as the
primary ECG data repository. This archive is referred to as the
Main Archive in the software
application. ECG XML files and related index file is stored here in the
PhilipsArchiveInternal
directory. All stored ECG files transition through this archive prior to transfer or copying to
other devices, such as the USB memory stick.
Currently, the internal main archive is limited to storing 200 ECGs.
Internal Remote Archive
The internal remote archive resides on the internal CompactFlash (CF) card much like the
internal main archive. All XML files retrieved from remote sites, such as the TraceMasterVue
ECG Management System, reside in this archive until deleted. ECG XML files and related
index files are stored in the
PhilipsArchiveRemote directory.
Currently, the internal remote archive is limited to a maximum of 100 ECGs.
External USB Memory Stick Archives
The external USB memory stick archives reside on a compatible memory stick connected to
the USB port. Files can then be transferred to a connected memory stick using the
Archive
feature of the application software, and are stored in XML format. A CDB file is created and
maintained on each compatible USB memory stick when ECG files are transferred to the USB
memory stick. Currently, a USB memory stick archive is limited to storing 200 ECGs.
NOTE The PageWriter TC70 cardiograph only supports the USB memory stick that is shipped with the
cardiograph, or that is available for purchase as an optional accessory from Philips Medical Systems.
Philips does not guarantee that other USB memory sticks are compatible with the PageWriter TC70
cardiograph.
When you add or delete compatible ECG XML files from a memory stick (not using the cardiograph),
it is recommended that you delete all CDB files prior to reconnecting the memory stick to the
cardiograph. In the absence of a CDB file, the cardiograph automatically regenerates the index based
on the XML files on the memory stick.
Rendered ECG Report Prints
A rendered ECG report print is a hard copy representation of the ECG data. This includes a
high-resolution print of the signal data, and may include configured patient demographics,
acquisition information, and other non-signal data elements.
The PageWriter TC70 allows the user to customize the fields on an ECG report print. The
report print may consist of one or more continuous pages on perforated thermal media from
the printer.
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