Wake-up strokes constitute 1/5 of all ischemic strokes. Studies suggest that patients have a 55% higher risk of having a stroke between the hours of 6:00am and noon. Why?
覺醒後腦卒中佔所有缺血性腦卒中的1/5。科研結果提示在早6點到中午時間內發生腦卒中的風險高於55%。為什麼？
Answer 答案：
In the morning hours there is increased sympathetic activity, frequent termination of a. fib (which is associated with cardiac embolism), and as sleep apnea affects cerebral perfusion（it is a risk factor for acute stroke ).
早上時間裡交感神經活性增加，時常房顫會轉復（與心臟栓子相關），和呼吸暫停影響腦灌注（導致急性腦卒中的一個風險）。
參考文獻：
Am J EM.2019;37:954
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