lightheadedness

例句:

• When used for chronic pain, ketamine has also been reported to cause dizziness, lightheadedness and nausea.
  来自CNN
• Unlike nonspecific lightheadedness or dizziness, vertigo has relatively few causes.
  眩晕与头昏眼花及头昏情形不同, 是由一些特有的原因所导致的.
  
• This should not be confused with symptoms of lightheadedness or fainting.
  要注意分清楚这一点,以免把眩晕与头昏眼花、昏晕等症状混在一起.
  
• Palpitations due to an arrhythmia may be accompanied by weakness, dyspnea, or lightheadedness.
  由心律失常引起的心悸可伴有虚弱 、 呼吸困难或头晕.
  
• Ingesting too much cinnamon can also cause rapid heart beat, lightheadedness, facial flushing and shortness of breath.
  来自MSN
• In some cases the problem can cause irregular heart rhythms, leading to lightheadedness, fainting, and even death.
  来自MSN