Atrial septal defect M-mode

Atrial Septal Defect Microchapters
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Ostium Secundum Atrial Septal Defect
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2]; Cafer Zorkun, M.D., Ph.D. [3] Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [4]

Overview

The M-mode is an effective modality for imaging moderate to large ostium secundum atrial septal defects.

M-Mode

• Provides imaging of:

• Right ventricular enlargement.
• Paradoxical motion involving the interventricular septum.

References

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