同学老李是名资深记者,身体一直很健康。可一年前体检发现,他的血压、血脂都偏高。因没感到什么不舒服,他用药断断续续。去年他曾多次发生双眼一过性视物模糊和肢体有麻木感,但片刻即逝。最近他还在夜间晕倒过一次。所幸的是,这些不适匆匆而过,未留下“痕迹”。他问我这是什么 Lao Li is a senior student reporter, the body has been very healthy. A year ago physical examination found that his blood pressure, blood lipids are high. Because he did not feel any uncomfortable, he intermittent medication. Last year he had multiple occasional eyes blurred vision and numbness of limbs, but an instant fleeting. Recently he fainted again at night. Fortunately, these discomfort hurried past, leaving no “trace.” He asked me what it is