) A blood sample had been taken in the morning from a 43 years old man and was then sent to the laboratory from the local health Centre. The sample was analysed in the evening of the same day, as there had been a transport delay, and the following results were obtained. Sodium 143 mmol/L [Normal (135-145) Potassium 6.0 mmol/L [Normal (3.5-5.0) Urea 5.1 mmol/L [Normal (2.5-7.0) Creatinine 88 ?mol/L [Normal (70-110) The laboratory contacted the patient?s general practitioner and an urgent repeat sample showed the following results. Sodium 145 mmol/L [Normal (135-145) Potassium 4.2 mmol/L [Normal (3.5-5.0) Urea 5.2 mmol/L [Normal (2.5-7.0) Creatinine 88 ?mol/L [Normal (70-110) (1) Why there is a difference in the results between the two samples? Explain the reason.
Answers
Answer:
A blood sample had been taken in the morning from a 43 years old man and was then sent to the laboratory from the local health Centre. The sample was analysed in the evening of the same day, as there had been a transport delay, and the following results were obtained. Sodium 143 mmol/L [Normal (135-145) Potassium 6.0 mmol/L [Normal (3.5-5.0) Urea 5.1 mmol/L [Normal (2.5-7.0) Creatinine 88 ?mol/L [Normal (70-110) The laboratory contacted the patient?s general practitioner and an urgent repeat sample showed the following results. Sodium 145 mmol/L [Normal (135-145) Potassium 4.2 mmol/L [Normal (3.5-5.0) Urea 5.2 mmol/L [Normal (2.5-7.0) Creatinine 88 ?mol/L [Normal (70-110) (1) Why there is a difference in the results between the two samples? Explain the reason.