where Philips DICOM keeps ecg waveform
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I tried to work with Philips US DICOM files. The files contain a sequence of ultrasonic images recorded for a myocardial left ventricle model. Together with images an ecg signal was recorded. I expect that the ecg waveform is included in the DICOM file, because the Philips proprietary software seems to make use of it. I have read the Dicom Conformance Statement for the ultrasound scanned I used, but there is no information about the field for the ecg waveform. Therefore I decided to analyze what is the dicomread doing step by step and found the function dicomparse, which is not described in the documentation. I am wondering what does the result of dicomparse mean. In the case of my file it gives:
settings =
struct with fields:
Txfr: '1.2.840.10008.1.2.4.50'
Endian: 'L'
VR: 'EXPLICIT'
MachineOrder: 'L'
and
attrs =
94×1 struct array with fields:
Group
Element
VR
Length
VM
Name
Data
Location
IsLittleEndian
As far I understand structure attrs contains elements of the DICOM file, but what e.g. is the Location field? Is it the position of Data in the DICOM file counted in bytes?
Does anybody know where should I look for the ecg waveform?
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