S9TELERADIOLOGY on Instagram: "🫀 Cardiac MRI Case Spotlight Right Atrial Thrombus with Pulmonary Thromboembolism 📌 Clinical Context Patient with acute dyspnea and elevated D-dimer. Cardiac MRI performed for evaluation of cardiac source of emboli. 🧲 Key MRI Findings * Right atrial (RA) mass—well-defined, non-enhancing filling defect consistent with thrombus * T1/T2 characteristics: Iso–to–hypointense on T1, variable T2 signal depending on thrombus age. * Cine MRI: Mobile RA thrombus attached t