Figure 2From: Role of Interleukin-1 in Radiation-Induced CardiomyopathyIL-1 blockade prevents reduction in contractile reserve 72 h after 20-Gy XRT. Contractile reserve was assessed 72 h after receiving 20-Gy XRT treatment as a change in LVEF measured at rest and 3 min after isoproterenol injection.Back to article page