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单词 orthostatic hypotension
释义
orthostatic hypotension

Space Exploration
  • A medical ailment suffered by some astronauts after a space mission. Blood pools in the legs and results in a feeling of dizziness on return to Earth. Affected astronauts often need help in walking, and a brief loss of consciousness is possible. Orthostatic hypotension is caused by low blood pressure due to an upright posture in microgravity during a long flight.


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