smart-sync is an MRI-compatible Doppler ultrasound system that determines the cardiac cycle of patients and synchronizes it with the MRI imaging. smart-sync can be used for the synchronization of the heartbeat both for fetuses and adults.The heartbeat of the patient is detected by positioning an ultrasound sensor above the patient’s heart. The ultrasound sensor is fixated with a flexible belt. The reflection of Doppler ultrasound signals is analyzed, and a trigger signal is derived for every heartbeat. smart-sync sends the Doppler ultrasound signal and the trigger signal (synchronization signal) to the MRI scanner utilizing a wireless connection.
A physiological monitoring unit used as a component of a diagnostic magnetic resonance imaging (MRI) system, that produces a signal which enables image formation or data collection to be synchronized with a specific measurable physiological parameter, e.g., the beginning of a patient's respiratory or cardiac cycle. It is primarily used for the purpose of artifact reduction or enhancement of signal-to-noise ratios in various real-time or dynamic MRI applications. It is sometimes referred to as a gated imaging accessory or trigger.
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