
Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams
Edition 3ISBN: 978-0133076011
Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams
Edition 3ISBN: 978-0133076011 Exercise 15
Jack, a 12-year-old male, was brought to his family physician for evaluation of right-upper-quadrant pain. He has a lifelong history of hemolytic and aplastic crises.
Consider why this patient history is important when selecting and evaluating laboratory tests.
The patient's peripheral smear revealed numerous elliptocytes, spherocytes, teardrop cells, and micropoikilocytes.
Jack's osmotic fragility test revealed the following:
A thermal sensitivity test demonstrated that Jack's erythrocytes fragment when incubated for 10 minutes at 46°C.
What do the results of the thermal sensitivity test reveal about Jack's red blood cells?
Consider why this patient history is important when selecting and evaluating laboratory tests.
The patient's peripheral smear revealed numerous elliptocytes, spherocytes, teardrop cells, and micropoikilocytes.
Jack's osmotic fragility test revealed the following:
A thermal sensitivity test demonstrated that Jack's erythrocytes fragment when incubated for 10 minutes at 46°C.
What do the results of the thermal sensitivity test reveal about Jack's red blood cells?
Explanation
HPP (Hereditary pyropoikilocytosis) is a...
Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams
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