Header
Header
Article

Incidental diagnosis of right-to-left atrial shunt by computed tomography



Case Reports

. 2022 Dec 30;2022(3):e202217.


doi: 10.21542/gcsp.2022.17.

Affiliations

Item in Clipboard

Case Reports

Yucel Colkesen.


Glob Cardiol Sci Pract.


.

Abstract

The existence and direction of an atrial shunt is normally diagnosed using echocardiography. A right-to-left atrial shunt, uncovered on routine computed tomography angiography, is presented. Transthoracic echocardiography verified the atrial shunt. TTE with intravenous agitated saline revealed the appearance of microbubbles in the left side of the heart. Atrial septal defects are a common cause of congenital heart diseases in adulthood. It may remain silent for decades because of the asymptomatic nature of the disease. Right-to-left atrial shunt is uncommon in patients with ASD.

Conflict of interest statement

Author declares no conflict of interest. FundingNone.Ethical approvalI confirm that the appropriate ethics review has been followed.ConsentA signed informed consent has been obtained from the patient for publication of this case study and associated images.

Figures



Figure 1.. Four-chamber axial images on computed tomography illustrating contrast agent crossing the interatrial septum from right to left (arrow in panel A) and dilated pulmonary artery (asterisk in panel B).


Figure 2.


Figure 2.. TTE using bubble contrast.

Appearance of microbubbles (arrow) in left atrium (LA) in apical 4-chamber view on TTE is indicative of right to left atrial shunt.

References

    1. Webb G, Gatzoulis MA. Atrial septal defects in the adult: recent progress and overview. Circulation. 2006;114(15):1645–1653. doi: 10.1161/CIRCULATIONAHA.105.592055. doi: 10.1016/s0002-9149(84)91617-5. doi:



      DOI



      DOI



      PubMed

    1. Lynch JJ, Schuchard GH, Gross CM, Wann LS. Prevalence of right-to-left atrial shunting in a healthy population: Detection by Valsalva maneuver contrast echocardiography. Am J Cardiol. 1984;53:1478–1480. doi: 10.1016/s0002-9149(84)91617-5. doi: 10.1161/CIRCULATIONAHA.105.592055. doi:



      DOI



      DOI



      PubMed



Source link

Back to top button