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Biology

Cellular Mechanisms of Ischemic Preconditioning in Myocardial Protection

Quick fact

Brief, non-lethal episodes of ischemia (lack of blood flow) followed by reperfusion can dramatically reduce the size of a heart attack from a subsequent, longer ischemic episode—this protective effect lasts for hours and is one of the most powerful endogenous cardioprotective phenomena known.

Why this is interesting

Your heart is a tireless worker—what if a short, deliberate 'power nap' could make it survive a heart attack? Ischemic preconditioning does exactly that, and it's built into your cells.