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Fig. 4 | Biology of Sex Differences

Fig. 4

From: Ischemia and reperfusion injury following cardioplegic arrest is attenuated by age and testosterone deficiency in male but not female mice

Fig. 4

Representative experimental recordings. Sample left ventricular pressure recordings illustrate responses during baseline (BL), cardioplegic perfusion (CP), ischemia, and reperfusion (RP). The baseline section showed normal cardiac function during initial perfusion of the heart. When the heart was perfused with hypothermic STH2 cardioplegia, all the contractile activity ceased and a rapid cooling contracture was seen. During ischemia, the heart relaxed. Contractile activity recovered to varying extent in reperfusion. a Young male. b Old male. c Young female. d Old female

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