Atrial septal defect CT: Difference between revisions
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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. | ||
==CT== | ==CT== | ||
===Advantages=== | ===Advantages=== | ||
* Provides additional anatomic details compared to [[echocardiography]]. | * Provides additional anatomic details compared to [[echocardiography]]. | ||
* Helps in visualization of the aberrant pulmonary venous return (seen in sinus venosus defect). <ref name="Prokop">{{cite book| author=Prokop, M., Galanski, M., Van Der Molen, A.J., Schaefer-Prokop, C.| title=Spiral and multislice computed tomography of the body. | year= 2001 | city=Thieme | pages= 788-789 | }} </ref> | * Helps in visualization of the aberrant pulmonary venous return (seen in sinus venosus defect). <ref name="Prokop">{{cite book| author=Prokop, M., Galanski, M., Van Der Molen, A.J., Schaefer-Prokop, C.| title=Spiral and multislice computed tomography of the body. | year= 2001 | city=Thieme | pages= 788-789 | }} </ref> | ||
* Done faster compared to MRI. | * Done faster compared to [[MRI]]. | ||
* Avoids the need for general anesthesia in children. | * Avoids the need for [[general anesthesia]] in children. | ||
* Can identify associated heart anomalies.<ref name="Prokop">{{cite book| author=Prokop, M., Galanski, M., Van Der Molen, A.J., Schaefer-Prokop, C.| title=Spiral and multislice computed tomography of the body. | year= 2001 | city=Thieme | pages= 788-789 | }} </ref> | * Can identify associated [[heart]] anomalies.<ref name="Prokop">{{cite book| author=Prokop, M., Galanski, M., Van Der Molen, A.J., Schaefer-Prokop, C.| title=Spiral and multislice computed tomography of the body. | year= 2001 | city=Thieme | pages= 788-789 | }} </ref> | ||
===Disadvantages=== | ===Disadvantages=== | ||
* Costly | * Costly. | ||
* Radiation can have long terms side-effect on growing children. | * Radiation can have long terms side-effect on growing children. | ||
* Not a modality for detecting or quantify a defect<ref name="Prokop">{{cite book| author=Prokop, M., Galanski, M., Van Der Molen, A.J., Schaefer-Prokop, C.| title=Spiral and multislice computed tomography of the body. | year= 2001 | city=Thieme | pages= 788-789 | }} </ref> | * Not a modality for detecting or quantify a defect.<ref name="Prokop">{{cite book| author=Prokop, M., Galanski, M., Van Der Molen, A.J., Schaefer-Prokop, C.| title=Spiral and multislice computed tomography of the body. | year= 2001 | city=Thieme | pages= 788-789 | }} </ref> | ||
* Not a modality for quantifying shunt volume and pressure differences<ref name="Prokop">{{cite journal| author=Prokop, M., Galanski, M., Van Der Molen, A.J., Schaefer-Prokop, C.| title=Spiral and multislice computed tomography of the body. | year= 2001 | city=Thieme | pages= 788-789 | }} </ref> | * Not a modality for quantifying shunt volume and pressure differences<ref name="Prokop">{{cite journal| author=Prokop, M., Galanski, M., Van Der Molen, A.J., Schaefer-Prokop, C.| title=Spiral and multislice computed tomography of the body. | year= 2001 | city=Thieme | pages= 788-789 | }} </ref> | ||
==References== | ==References== | ||
{{ | {{reflist|2}} | ||
[[Category:Cardiology]] | [[Category:Cardiology]] | ||
[[Category:Congenital heart disease]] | [[Category:Congenital heart disease]] | ||
Revision as of 18:50, 8 January 2013
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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.
CT
Advantages
- Provides additional anatomic details compared to echocardiography.
- Helps in visualization of the aberrant pulmonary venous return (seen in sinus venosus defect). [1]
- Done faster compared to MRI.
- Avoids the need for general anesthesia in 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]