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. 2014 May 31;8(5):9–15. doi: 10.3941/jrcr.v8i5.1715

Figure 1.

Figure 1

62 year old female with aneurysm of the membranous septum.

Technique: MRI 1,5T; Steady State Free Precession (SSFP) four chambers view; TR (repetition time) 3,6 msec, TE (echo time) 1,6 msec, Flip angle 65°, Slice thickness 4mm, Image matrix 256 × 256.

Finding: Steady State Free Precession (SSFP) four chambers view in systole (a) and diastole (b) show an AMS (20 × 15 mm) arising from membranous septum beneath the septal leaflet of the tricuspid valve, bulging into right ventricle, without any thrombus or shunt flow between the ventricles (asterisk).