SDTM. Circumferential & Longitudinal Strain

Check with team and CT - these are different than the 17 segments in the other example. Not sure if these can be generalized to the heart or if the locations need to be specific by ventricle (seems like but I am not sure). It may indicate the view of 4 chambers from the left ventricular wall side (left ventricle, 4 -chamber). Need to know which one to use.

This example shows the representation of circumferential and longitudinal strain findings in the CV domain. The sponsor used the "CMRBRANDTYP Feature Tracking" analysis method (CVANMETH).

Rows 1-3:	Show circumferential strain for the left ventricular base, mid, and apex regions.
Row 4:	Shows global circumferential strain.
Row 5:	Shows circumferential strain for the LEFT VENTRICULAR BASAL INFEROSEPTAL SEGMENT.
Rows 6-8:	Show longitudinal strain for 4 chamber, 3 chamber, and 2 chamber views.
Row 9:	Shows global longitudinal strain.
Row 10:	~~Shows longitudinal strain for the LEFT VENTRICULAR BASAL INFEROSEPTAL SEGMENT.~~

cv.xpt

Row	STUDYID	DOMAIN	USUBJID	CVSEQ	CVTESTCD	CVTEST	CVORRES	CVORRESU	CVSTRESC	CVSTRESN	CVSTRESU	CVLOC	CVMETHOD	CVANMETH	VISITNUM	VISIT	CVDTC	CVIMVIEW
1	DMD-CLS	CV	DMD-CLS-01-401	1	CFSTRAIN	CIRCUMFERENTIAL STRAIN	-9	%	-9	-9	%	LEFT VENTRICULAR BASE	CARDIAC MAGNETIC RESONANCE IMAGING	CMRBRANDTYP Feature Tracking	1	VISIT 1	2023-09-01
2	DMD-CLS	CV	DMD-CLS-01-401	2	CFSTRAIN	CIRCUMFERENTIAL STRAIN	-12	%	-12	-12	%	LEFT VENTRICULAR MID	CARDIAC MAGNETIC RESONANCE IMAGING	CMRBRANDTYP Feature tracking	1	VISIT 1	2023-09-01
3	DMD-CLS	CV	DMD-CLS-01-401	3	CFSTRAIN	CIRCUMFERENTIAL STRAIN	-10	%	-10	-10	%	LEFT VENTRICULAR APEX	CARDIAC MAGNETIC RESONANCE IMAGING	CMRBRANDTYP Feature tracking	1	VISIT 1	2023-09-01
4	DMD-CLS	CV	DMD-CLS-01-401	4	GCS	GLOBAL CIRCUMFERENTIAL STRAIN	-10	%	-10	-10%		HEART, LEFT VENTRICLE	CARDIAC MAGNETIC RESONANCE IMAGING	CMRBRANDTYP Feature tracking	1	VISIT 1	2023-09-01
5	DMD-CLS	CV	DMD-CLS-01-401	5	CFSTRAIN	CIRCUMFERENTIAL STRAIN	-12	%	-12	-12	%	LEFT VENTRICULAR BASAL INFEROSEPTAL SEGMENT	CARDIAC MAGNETIC RESONANCE IMAGING	CMRBRANDTYP Feature tracking	1	VISIT 1	2023-09-01
6	DMD-CLS	CV	DMD-CLS-01-401	6	LOSTRAIN	LONGITUDINAL STRAIN	-18	%	-18	-18	%	HEART, LEFT VENTRICLE	CARDIAC MAGNETIC RESONANCE IMAGING	CMRBRANDTYP Feature Tracking	1	VISIT 1	2023-09-01	4-CHAMBER
7	DMD-CLS	CV	DMD-CLS-01-401	7	LOSTRAIN	LONGITUDINAL STRAIN	-20	%	-20	-20	%	HEART, LEFT VENTRICLE	CARDIAC MAGNETIC RESONANCE IMAGING	CMRBRANDTYP Feature tracking	1	VISIT 1	2023-09-01	3-CHAMBER
8	DMD-CLS	CV	DMD-CLS-01-401	8	LOSTRAIN	LONGITUDINAL STRAIN	-15	%	-15	-15	%	HEART, LEFT VENTRICLE	CARDIAC MAGNETIC RESONANCE IMAGING	CMRBRANDTYP Feature tracking	1	VISIT 1	2023-09-01	2-CHAMBER
9	DMD-CLS	CV	DMD-CLS-01-401	9	LGS	GLOBAL LONGITUDINAL STRAIN	-18	%	-18	-18	%	HEART, LEFT VENTRICLE	CARDIAC MAGNETIC RESONANCE IMAGING	CMRBRANDTYP Feature tracking	1	VISIT 1	2023-09-01	~~GLOBAL VIEW~~
10	DMD-CLS	CV	DMD-CLS-01-401	10	LOSTRAIN	LONGITUDINAL STRAIN	-14	%	-14	-14	%	~~LEFT VENTRICULAR BASAL INFEROSEPTAL SEGMENT~~	CARDIAC MAGNETIC RESONANCE IMAGING	CMRBRANDTYP Feature tracking	1	VISIT 1	2023-09-01	~~4-CHAMBER~~

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CV NSV Metadata

Variable	Label	Type	Role	Origin
CVIMVIEW	Imaging View	text	Non-standard Record Qualifier	CRF

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