Case study 2 A 15-year-old boy broke his wrist following a low impact fall in his house. His mother said that she was worried as he had recently decided to follow a vegan diet. The fracture clinic ordered some blood tests and the results are given in the table below. His kidney function is normal. Analyte Serum adjusted Ca²+ Serum intact PTH Serum 25(OH)D 15 Serum alkaline phosphatase 237 Result 2.0 7.5 Reference range 2.1-2.6 1.6-6.9 ▶50 30-180 Critically interpret and evaluate the data given in this case. Units mmol/L pmol/L nmol/L U/L Explain the differential diagnosis in this patient. In your answer you should; highlight any abnormalities present in the patient's blood test results, discuss them in relation to potential underlying causes (as suggested by the test results and the patient's symptoms), explain how the normal analyte results help with the differential diagnosis and suggest further tests that could be carried out to confirm this diagnosis.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Case study 2
A 15-year-old boy broke his wrist following a low impact fall in his house. His mother said that
she was worried as he had recently decided to follow a vegan diet. The fracture clinic ordered
some blood tests and the results are given in the table below. His kidney function is normal.
Analyte
Serum adjusted Ca²+
Serum intact PTH
Serum 25(OH)D
Serum alkaline phosphatase
Result
2.0
7.5
15
237
Reference range
2.1-2.6
1.6 - 6.9
>50
30-180
Critically interpret and evaluate the data given in this case.
Units
mmol/L
pmol/L
nmol/L
U/L
Explain the differential diagnosis in this patient.
In your answer you should; highlight any abnormalities present in the patient's blood
test results, discuss them in relation to potential underlying causes (as suggested by
the test results and the patient's symptoms), explain how the normal analyte results
help with the differential diagnosis and suggest further tests that could be carried out
to confirm this diagnosis.
Transcribed Image Text:Case study 2 A 15-year-old boy broke his wrist following a low impact fall in his house. His mother said that she was worried as he had recently decided to follow a vegan diet. The fracture clinic ordered some blood tests and the results are given in the table below. His kidney function is normal. Analyte Serum adjusted Ca²+ Serum intact PTH Serum 25(OH)D Serum alkaline phosphatase Result 2.0 7.5 15 237 Reference range 2.1-2.6 1.6 - 6.9 >50 30-180 Critically interpret and evaluate the data given in this case. Units mmol/L pmol/L nmol/L U/L Explain the differential diagnosis in this patient. In your answer you should; highlight any abnormalities present in the patient's blood test results, discuss them in relation to potential underlying causes (as suggested by the test results and the patient's symptoms), explain how the normal analyte results help with the differential diagnosis and suggest further tests that could be carried out to confirm this diagnosis.
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so what could the main or final diagnosis be, and why after comparing the analytes levels and pathophysiology?

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