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==Overview==
==Overview==
Computed tomography can be helpful as a diagnostic tool in conditions where the echocardiographic findings are inconclusive. It is not the technique of choice as it has limitations in defining shunt volume and pressure differences.
Computed tomography can be helpful as a diagnostic tool in conditions where the echocardiographic findings are inconclusive. It is not the technique of choice as it has limitations in defining shunt volume and pressure differences.
==Computed tomography==
Computed tomography (CT) can be used as a diagnostic modality in congenital heart diseases. CT is not the technique of choice to detect or quantify the atrial septal defect, define shunt volume and pressure differences. It may be used incidentally in conjunction with identification of associated congenital anomalies.


==Advantages==
==Advantages==

Revision as of 18:13, 13 September 2011

Atrial Septal Defect Microchapters

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Overview

Anatomy

Classification

Ostium Secundum Atrial Septal Defect
Ostium Primum Atrial Septal Defect
Sinus Venosus Atrial Septal Defect
Coronary Sinus
Patent Foramen Ovale
Common or Single Atrium

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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

Computed tomography can be helpful as a diagnostic tool in conditions where the echocardiographic findings are inconclusive. It is not the technique of choice as it has limitations in defining shunt volume and pressure differences.

Advantages

  • Provides additional anatomic imaging detail to supplement echocardiographic findings.
  • Well suited for the visualization and demonwstration of the aberrant pulmonary venous return noted in the sinus venosus defect. [1]
  • It is done faster compared to MRI.
  • Avoids the need for anesthesia in small children.
  • Can identify associated heart anomalies.[1]

Disadvantages

  • Costly
  • Radiation can have long terms side-effect on growing children.
  • Not a modality for detecting or quantify a defect[1]
  • Not a modality for quantifying shunt volume and pressure differences[1]

References

  1. 1.0 1.1 1.2 1.3 Prokop, M., Galanski, M., Van Der Molen, A.J., Schaefer-Prokop, C. (2001). Spiral and multislice computed tomography of the body. pp. 788–789. Unknown parameter |city= ignored (help)

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