Fig. 1From: Splenic switch-off as a predictor for coronary adenosine response: validation against 13N-ammonia during co-injection myocardial perfusion imaging on a hybrid PET/CMR scannerExample of presence of splenic switch-off sign (SSO) (*) with signal intensity curves. a Stress perfusion, b rest perfusion. SMR spleen-myocardium intensity ratio, SIR stress-to-rest intensity ratio for spleenBack to article page