For someone experiencing cardiac arrest, timing is critical for survival.
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Sen. Lindsey Graham dies after ‘brief and sudden’ illness: Cardiac arrest can kill without warning
This version of Lindsey Graham Death Sudden Cardiac Arrest Warning Research Rcna385938 - Health and Medicine | NBC News Clone was adapted by NBC News Clone to help readers digest key facts more efficiently.
Unlike a heart attack, cardiac arrest may not show any signs before causing abrupt collapse.
