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Fig. 4 | Journal of Cardiovascular Magnetic Resonance

Fig. 4

From: Magnetic resonance imaging phantoms for quality-control of myocardial T1 and ECV mapping: specific formulation, long-term stability and variation with heart rate and temperature

Fig. 4

Title: Longitudinal imaging for T1 values and variation in temperature. Legend: Panel a longitudinal stability without temperature correction for native and post contrast myocardial and blood phantom T1 values. The phantoms corresponding to native blood T1 values showed a slow drift, whist the remaining phantoms corresponding to native myocardium and post-contrast blood and myocardium remained relatively stable. Panel b weekly temperature variation of the MRI room. Panel c fusing the individual variables from panel a , and a haematocrit of 0.425 a Phantom ECV was calculated

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