Key messages

• The request for a full blood count implies, in addition to routine screening, a request for evaluation of the blood for any unexpected diagnosis.

• The reliable production of red cell absolute values and white cell and platelet indices depends on expert hematological quality control and standard laboratory operating procedures.

• The main indices of diagnostic usefulness in the full blood count are hemoglobin concentration (or hematocrit), mean red cell hemoglobin content and volume, total and differential white blood cell counts, and platelet count.

• Hemoglobin concentration (and hematocrit) do not predict total red cell mass or blood volume in intensive care patients. The development of widely applicable methods for these estimates is urgently needed in the assessment of such patients.

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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