Common Lab Values: Electrolytes and ABG

Vocabulary flashcards covering common electrolytes and arterial blood gas values.

Osmolality

275-295 mOsm/kg (normal serum osmolality).

Na+ (Sodium)

135-145 mEq/L (normal).

Ca2+ (Calcium)

8.5-10.5 mg/dL (normal).

K+ (Potassium)

3.5-5 mEq/L (normal).

Cl- (Chloride)

95-105 mEq/L (normal).

Phosphate

2.5-4.5 mg/dL (normal).

Mg (Magnesium)

1.4-1.8 mEq/dL (normal).

Anion Gap

Na – (Cl + HCO3); normal around 10 mEq/L.

pH (arterial)

7.35-7.45 (blood).

Urine pH

4.5-8.

PaCO2

35-45 mmHg (arterial).

Bicarbonate (arterial)

24-30 mEq/L.

PaO2 (arterial)

80-100 mm Hg.

O2 Sat (arterial)

95-100%.

Albumin

3.5-6 g/dL.

Glucose (fasting)

<70-99 mg/dl

Glucose:

70 - 110mg/dl 

A1c: normal:

< 7% 

prediabetes:

5.7% – 6.4% 

diabetes:

> 7% 

Normal Heart rate:

60 -100 beats/minute 

Respiration rate

12- 20 breaths/minute 

Normal blood pressure (systolic/diastolic)

90 – 120/60 – 80 

Pulse:

60 - 100 

Blood alcohol content (BAC) defined as legally intoxicated in U.S.-

80mg/dl (0.08%)