Explain why her ionized calcium is low and how its affected

Reference no: EM133310732

Case: Part A) A 34-year-old female who lives alone. Her partner found her after failing to respond to texts or phone calls for two days. Finally, she was found on the bathroom floor, severely dehydrated and barely conscious. Her partner brought her to the emergency department and told the staff he thought she had been drunk previously. The ED provider notices dry mucous membranes and orders several laboratory tests.

Assay	Test Result	Reference Interval
Serum osmolality:	278 mOsm/kg	275-295 mOsm/kg
Glucose:	75 mg/dL	70 - 100 mg/dL
BUN:	10 mg/dL	6-20 mg/dL
Na+:	129 mmol/L	135-145 mmol/L
Urine Na+:	8 mmol/L (random)	>20 mmol/L

Assay	Test Result	Reference Range
Na+:	129 mmol/L	135-145 mmol/L
K+:	3.0 mmol/L	3.5-5.1 mmol/L
Cl-:	77 mmol/L	98-107 mmol/L
HCO3-	9 mmol/L	22 - 28 mmol/L
Mg+:	0.45 mmol/L	0.66-1.07 mmol/L
Ionized Ca2+:	1.0 mmol/L	1.15-1.33 mmol/L

Question 1: Explain how the sodium, potassium, chloride, and urine sodium results relate to her condition.

Question 2: Explain why her ionized calcium is low and how it's affected by magnesium.

Reference no: EM133310732

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