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Case of the week – 07-20: ASD F irst Pass contrast bolus tracking

Case of the week – 07-20: ASD F irst Pass contrast bolus tracking. History: A 28 year old WM ♂ with incidental CXR abnormalities: c ardiomegally, right heart enlargement and R pleural effusion ECG: RVH; Echo: RA and RV dilatation. RA→LA bubble transit

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Case of the week – 07-20: ASD F irst Pass contrast bolus tracking

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  1. Case of the week – 07-20: ASD First Pass contrast bolus tracking History: A 28 year old WM ♂ with incidental CXR abnormalities: cardiomegally, right heart enlargement and R pleural effusion ECG: RVH; Echo: RA and RV dilatation. RA→LA bubble transit CMR: To confirm ASD, measure Qp/Qs and exclude other problems Cines: RA/RV dilation, RV impairment, Secundum ASD (arrow, A) RV SV: 147mls, LV SV: 88mls. Ratio 1.7 Axial SSFP: no PAPVR or additional forms of congenital heart disease Pleural effusions & atelectasis are seen R>L (C) Velocity Map: 4 chamber. SecundumASD (B). Qp/Qs=1.8 1st Pass Gadolinium: (with Valsalva). Prompt RL atrial shunting (D) Interpretation: Secundum type ASD with shunt flow demonstrated by velocity flow map, SSFP cine, & 1st pass SA Gd perfusion during Valsalva CMR Points: CMR localizes and quantifies secundum ASD with LR shunt (rest), RL with Valsalva, and excludes other possible shunts. B A C D Reference: Pennell DJ et al: Clinical indications for CMR: Consensus Panel report. Eur Heart J 2004;25: 1940-65. Adam Means, Shane Chatfield, Gary R. Cooper, Pat Mergo CMR Service, University of Florida, Gainesville, FL. USA Case handling editor: J Moon

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