An elderly patient in a nursing home has recurrent episodes of fainting when he stands. An alert nurse notes that this occurs only when his room is fairly warm; on cold mornings, he has no difficulty. What is the cause of the fainting, and how does it relate to the autonomic nervous system and to room temperature?

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The Answer of An elderly patient in a nursing home has recurrent episodes of fainting when he stands. An alert nurse notes that this occurs only when his room is fairly warm; on cold mornings, he has no difficulty. What is the cause of the fainting, and how does it relate to the autonomic nervous system and to room temperature?

An Elderly Patient in a Nursing Home Has Recurrent Episodes