later="Jun17200612:50:46";varlater=newDate(later);varnow=newDate();days=(later-now)/1000/60/60/24;daysRound=Math.floor(days);hours=(later-now)/1000/60/60-(24*daysRound);hoursRound=Math.floor(hours);minutes=(later-now)/1000/60-(24*60*daysRound)-(60*hoursRound);minutesRound=Math.floor(minutes);seconds=(later-now)/1000-(24*60*60*daysRound)-(60*60*hoursRound)-(60*minutesRound);secondsRound=Math.round(seconds);if(daysRound現在是頭痛的厲害，也不是一直疼，偶爾的會疼，每天大概兩三次吧．請問腦梗的發病時間會是多長時間？病情嚴重后就容易偏癱等是么？后來北京復查，這樣是不是非常危險呢？