Figure 1From: The relationship of hemoglobin concentration and signal intensity changes in oxygenation-sensitive cardiovascular magnetic resonance imaginga) %-change in OS-SI at normo- and hypervolemia in response to hyperventilation and maximal apnea (*p<0.05); b) Correlation between the difference in Hb (g/L) and the difference in %SI-change between baseline and hemodilution during maximal vasodilation (r=0.61, p<0.001).Back to article page