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. 2022 Sep 19;95(1139):20220422. doi: 10.1259/bjr.20220422

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© 2022 The Authors. Published by the British Institute of Radiology

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 Unported License http://creativecommons.org/licenses/by-nc/4.0/, which permits unrestricted non-commercial reuse, provided the original author and source are credited.

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Figure 2. — Splenic Switch-Off on Stress CMR. (A-D) Stress CMR images showing splenic switch-off in a 75-year-old male in sinus rhythm. Splenic signal intensity (SI) is clearly visually reduced at stress. This is confirmed in the corresponding graphical representation of tissue SI against time. Red line indicates splenic SI. Other lines each represent SI of a myocardial segment. (A) Rest image B) Stress image C) Rest graph D) Stress graph. (E-F) Stress CMR images showing failed splenic-switch off in a 68-year-old male with AF. (E) Rest maximum splenic SI F) Stress maximum splenic SI. (G-H) Graphical representation of tissue perfusion on stress CMR showing failed splenic switch-off in a 72-year-old male with AF. (G) Rest H) Stress.