Right Hand Weakness and Headache During Ascent to Mount Everest: A Case of Cerebral Venous Infarction

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The increasing popularity of trekking in alpine regions has drawn attention to high altitude-associated health concerns.

Case Report:

Here, we report a case of cerebral venous infarction as a consequence of a hypercoagulable state induced by secondary polycythemia as an adaptation to high altitude.


When patients present focal neurological symptoms such as hemiparesis in addition to symptoms of acute mountain sickness or high-altitude cerebral edema such as headache, nausea, vomiting, and dizziness, cerebral venous infarction should be considered.

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