Key messages

• Hypernatremia occurs primarily when water ingestion is inadequate to correct for fluid losses.

• Hypernatremia affects those at the extremes of age and is frequently iatrogenic.

• The mainstay of treatment is free-water administration, usually 77 mmol/l NaCl, with correction over 48 h, as overly rapid correction may be complicated by cerebral edema.

• The mortality from hypernatremia in adults exceeds 50 per cent, and it has not been demonstrated to be improved by therapy.

Sleep Apnea

Sleep Apnea

Have You Been Told Over And Over Again That You Snore A Lot, But You Choose To Ignore It? Have you been experiencing lack of sleep at night and find yourself waking up in the wee hours of the morning to find yourself gasping for air?

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