6 Image Acquisition
Operator’s Manual
6 - 41
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[ALAX]: apical long-axis view, also called 3-chamber view.
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[PSAX B]: short axis view of base section, short axis view of mitral valve.
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[PSAX M]: short axis view of base section, short axis view of papillary muscle.
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[PSAX AP]: short axis view of apex.
Parameter Adjustment
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[Thickness]: adjusts the tracing thickness, i.e., the distance between the endocardium wall and
the tracking points on the epicardium.
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[Tracking Points]: adjusts the number of points within the segment.
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[Cycle]: select the next cycle.
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[Display Effect]: turns on/off the arrow vector graphical display of the myocardial movement.
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[Velocity Scale]: adjust the scale length of the velocity.
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[Display Style]: display the endometrial, the epicardium, the myocardial or all.
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[Tracking Cycles]: select the cycles to be tracked.
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[Average Cycles]: obtain the average parameter curves of the tissue.
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[Cycle Select]: select among different cycles.
Time Mark
According to the status of the current section, tap the corresponding key on the touch screen to
check the matching time.
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[AVO]: displays aortic valve open time.
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[AVC]: displays aortic valve closure time.
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[MVO]: displays mitral valve open time.
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[MVC]: displays mitral valve closure time.
Curve Display
Select [Parameter], the system provides different curves of different segments for observation.
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General
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Speed curve: The X-axis represents time (s); the Y-axis represents velocity (cm/s).
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Displacement curve: The X-axis represents time (s); the Y-axis represents displacement
(cm).
•
Long axis section
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Volume: The X-axis represents time(s); the Y-axis represents volume (ml).
–
Strain curve (Longitudinal, Transversal): The X-axis represents time (s); the Y-axis
represents strain deformation of the tissue (%).
–
Strain-rate curve (Longitudinal, Transversal): The X-axis represents time (s); the Y-axis
represents strain by time (s
-1
).
•
Short axis section
–
Area curve: The X-axis represents time(s); the Y-axis represents area (cm2).
–
Strain curve (Radial, Circumferential): The X-axis represents time (s); the Y-axis
represents strain deformation of the tissue (%).
–
Strain-rate curve (Radial, Circumferential): The X-axis represents time (s); the Y-axis
represents strain by time (s
-1
).
–
Circumferential Rotation curve: The X-axis represents time (s); the Y-axis represents
rotation of the tissue (Deg).
Summary of Contents for TE X
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