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The following results are obtained for a patient using a point-of-care device that employs the conductivity method to measure the hematocrit: Sodium = 160 mmol/L (Reference interval: 135 to 145 mmol/L) Potassium = 3.6 mmol/L (Reference interval: 3.5 to 5.5 mmol/L) HCT = 17.0% (0.17 L/L) HGB = 6.0 g/dL 1. Which electrolyte concentration could affect the hematocrit? 2. Would this electrolyte concentration falsely decrease or increase the hematocrit value?

The following results are obtained for a patient using a point-of-care device that employs the conductivity method to measure the hematocrit: Sodium = 160 mmol/L (Reference interval: 135 to 145 mmol/L) Potassium = 3.6 mmol/L (Reference interval: 3.5 to 5.5 mmol/L) HCT = 17.0% (0.17 L/L) HGB = 6.0 g/dL 1. Which electrolyte concentration could affect the hematocrit? 2. Would this electrolyte concentration falsely decrease or increase the hematocrit value?

Human Physiology: From Cells to Systems (MindTap Course List)
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter11: The Blood
Section: Chapter Questions
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The following results are obtained for a patient using a point-of-care device that employs the conductivity method to measure the hematocrit: Sodium = 160 mmol/L (Reference interval: 135 to 145 mmol/L) Potassium = 3.6 mmolL (Reference interval: 3.5 to 5.5 mmol/L) HCT = 17.0% (0.17 LL) HGB = 6.0 g/dL. 1. Which electrolyte concentration could affect the hematocrit? 2. Would this electrolyte concentration falsely decrease or increase the hematocrit value? 3. What other factors can decrease the hematocrit value using this point-of-care device?
Transcribed Image Text:The following results are obtained for a patient using a point-of-care device that employs the conductivity method to measure the hematocrit: Sodium = 160 mmol/L (Reference interval: 135 to 145 mmol/L) Potassium = 3.6 mmolL (Reference interval: 3.5 to 5.5 mmol/L) HCT = 17.0% (0.17 LL) HGB = 6.0 g/dL. 1. Which electrolyte concentration could affect the hematocrit? 2. Would this electrolyte concentration falsely decrease or increase the hematocrit value? 3. What other factors can decrease the hematocrit value using this point-of-care device?
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