Medis Suite MR | Features

Tissue Characterization

To diagnose the type of disease that is causing the reduced cardiac function different analysis have been developed, providing the entire picture. With LGE, imaging scar can be detected, with T2weighted the edema in the heart, and with stress imaging the perfusion. But also, the mapping sequences help to differentiate between cardiac diseases. 

T1 Analysis

Calculation of T1 relaxation time in both Inversion Recovery based (MOLLI, Look Locker) and Progressive Saturation based sequences. Based on the region of interest the T1 time is provided with color overlay. The T1 values accurately identify territories of myocardial edema to help determine the diagnosis. 

T2/T2* Analysis

Calculation of T2 and/or T2* decay time based on the drawn region of interest. Both the time as a color overlay is provided to identify areas of edema in case of a T2 sequence and to identify iron overload (both in heart as in the liver) in case of a T2*. sequence. 

DSI: Late Gadolinium Enhancement

The late gadolinium enhancement sequence provides insights into the infarct size. Either by visual assessment or by quantifying it based on different threshold methods like full width at halve maximum (FWHM) or number of standard deviations (SD). In addition, the infarct transmurality is determined to define the severity.

TSI: Perfusion

Review the rest and stress series simultaneously side-by-side or quantify the signal intensity change over time to get insights in the severity of the perfusion defect. For the quantification automatically measures as relative upslope are provided in a 16-segment model.

Research

T1 Mapping

The late gadolinium enhancement sequence provides insights into the infarct size. Either by visual assessment or by quantifying it based on different threshold methods like full width at halve maximum (FWHM) or number of standard deviations (SD). In addition, the infarct transmurality is determined to define the severity.

Research

T2/T2 Analysis

Calculation of T2 and/or T2* parametric maps, from which the respectively the T2 and/or T2* values are given based on either the AHA 16 segments or the drawn region of interest. This to identify areas of edema in case of a T2 sequence and iron overload in case of a T2* sequence.

Research

ECV Mapping

Combines the T1 pre- and post-contrast scans or maps together with the hematocrit to obtain the ECV map. Due to the motion correction algorithm both scans get aligned and in case of raw T1 series to correct for the breathing motion.

Proven Accuracy

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