: Data-Field 20209

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Data

88,442 bulk items are available, covering 83,469 participants.
Defined-instances run from 2 to 3, labelled using Instancing 2.

The values held within this field are coded links to files held within a bulk repository, not the actual data itself.

2 Instances

Instance 2 : Imaging visit (2014+)
83,286 participants, 83,286 items
Data not meaningful for statistical summary

Instance 3 : First repeat imaging visit (2019+)
5,156 participants, 5,156 items
Data not meaningful for statistical summary

Notes

Short axis scans. Used to measure function of heart.

Note that the number will vary depending on the size of the participant since the larger the heart the more slices are required. There should always be a relationship between the number of images in the _inlineVF series and the number of SAX series. Roughly invlineVF = SAX_b1 + b2 + bn + LAX_2ch _ LAX_3ch + LAX_4ch.

2 Related Data-Fields

Field ID	Description	Relationship
22420	LV ejection fraction	Field 22420 is derived from Current Field
22421	LV end diastolic volume	Field 22421 is derived from Current Field

6 Resources

Preview	Name	Res ID
	Cardiac MRI exam rationale and protocol concepts	15146
	Cardiac MRI procedures	349
	Example short axis heart images in DICOM format	20209
	Operator view of participant during MRI scan	3472
	Participant about to enter MRI for chest examinations	8971
	Preparing participant for chest MRI	1133

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