#DrKKAnswers:
1. Patients with hemoglobin below 8.5 g/dL generally should be given supplemental oxygen, unless the anemia is known to be well compensated.
2. Anemic patients are at risk for lightheadedness and loss of consciousness during flight, even with minimal exertion, eg, walking to the lavatory.
3. The relative hypoxia in the cabin poses a particular risk to patients with sickle cell anemia. Such patients should use supplemental oxygen and be kept well hydrated.
4. Those with sickle cell trait are not considered at risk for flights at normal altitudes under usual conditions.
1. Patients with hemoglobin below 8.5 g/dL generally should be given supplemental oxygen, unless the anemia is known to be well compensated.
2. Anemic patients are at risk for lightheadedness and loss of consciousness during flight, even with minimal exertion, eg, walking to the lavatory.
3. The relative hypoxia in the cabin poses a particular risk to patients with sickle cell anemia. Such patients should use supplemental oxygen and be kept well hydrated.
4. Those with sickle cell trait are not considered at risk for flights at normal altitudes under usual conditions.
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