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🫀 𝗪𝗵𝗲𝗻 𝗘𝗖𝗚 𝘁𝗿𝗶𝗴𝗴𝗲𝗿𝗶𝗻𝗴 𝗯𝗲𝗰𝗼𝗺𝗲𝘀 𝗰𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗶𝗻𝗴, 𝗗𝗼𝗽𝗽𝗹𝗲𝗿 𝘂𝗹𝘁𝗿𝗮𝘀𝗼𝘂𝗻𝗱 𝗰𝗮𝗻 𝗼𝗳𝗳𝗲𝗿 𝗮𝗻𝗼𝘁𝗵𝗲𝗿 𝘄𝗮𝘆 𝘁𝗼 𝘀𝘆𝗻𝗰𝗵𝗿𝗼𝗻𝗶𝘇𝗲 𝗠𝗥𝗜 𝘄𝗶𝘁𝗵 𝘁𝗵𝗲 𝗵𝗲𝗮𝗿𝘁. In adult cardiac MRI, reliable cardiac synchronization is essential for imaging. But in patients with arrhythmia, irregular RR intervals can cause motion artifacts, blurring and reduced confidence in functional assessment. 💡 𝗧𝗵𝗶𝘀 𝗶𝘀 𝘄𝗵𝗲𝗿𝗲 𝗮𝗱𝘂𝗹𝘁 𝘀𝗺𝗮𝗿𝘁-𝘀𝘆𝗻𝗰 𝗰𝗼𝗺𝗲𝘀 𝗶𝗻. Instead of relying on the electrical ECG signal, 𝘀𝗺𝗮𝗿𝘁-𝘀𝘆𝗻𝗰 uses Doppler ultrasound (DUS) to detect myocardial motion directly and synchronize MRI acquisition with the cardiac cycle. 📽️ 𝗘𝘅𝗲𝗺𝗽𝗹𝗮𝗿𝘆 𝗰𝗶𝗻𝗲 𝘀𝗲𝗾𝘂𝗲𝗻𝗰𝗲 𝗮𝗰𝗾𝘂𝗶𝗿𝗲𝗱 𝘄𝗶𝘁𝗵 𝗗𝗨𝗦-𝗯𝗮𝘀𝗲𝗱 𝗰𝗮𝗿𝗱𝗶𝗮𝗰 𝘁𝗿𝗶𝗴𝗴𝗲𝗿𝗶𝗻𝗴 𝗶𝗻 𝗮𝗱𝘂𝗹𝘁 𝗮𝗿𝗿𝗵𝘆𝘁𝗵𝗺𝗶𝗮 𝗽𝗮𝘁𝗶𝗲𝗻𝘁𝘀 𝘄𝗶𝘁𝗵 𝗰𝗮𝗿𝗱𝗶𝗮𝗰 𝗮𝗺𝘆𝗹𝗼𝗶𝗱𝗼𝘀𝗶𝘀. DUS triggering can help support stable cardiac synchronization in CMR exams, especially when ECG gating is unreliable [1]. 👉 From detecting the heartbeat electrically 👉 to synchronizing MRI directly with cardiac motion [1] Beissel et al., Doppler ultrasound gating for adult cardiovascular magnetic resonance: Initial experience, Journal of Cardiovascular Magnetic Resonance, 2025. #CardiacMRI #CMR #CardiacAmyloidosis #Arrhythmia #DopplerUltrasound #SmartSync #MRI #Cardiology

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