lab ranges Flashcards
Sodium
135-145 mEq
Body water balance
regulated by kidney
Potassium
3.5-5.3 mEq
Cardiac neural and muscle
regulated by kidney
Calcium
8.2-10.2 mg/DL
Cell membrane tests and bone
regulated by Parathyroid hormone and calcitonin
Magnesium
1.6-2.6 mg/DL
Neuromuscular and cardiac
regulated by kidney
Chloride
95-108 mEq/L
Maintain normal ECF osmolarity
regulated by Kidneys/renin-angiotensin-aldosterone system
Bicarbonate
22-26 mmol/L
Regulate acid-base balance
regulated by Lungs, kidney
Phosphate
2.5-4.5 mEq
Energy metabolism
regulated by Kidneys, Vitamin D and PTH
Hyponatremia
<135 mEq
Apprehension, postural hypotension, abdominal cramps. NVD, tachycardia
Hypernatremia
> 145 mEq
Thirst and dry, flushed skin, dry tongue and mucus membranes, fever
Hypokalemia
<3.5 mEq
Weakness, fatigue, decreased muscle tone, decreased bowel sounds, heart block
Hyperkalemia
> 5.3 mEq
EKG abnormalities (Bradycardia)
Hypocalcemia
<8.2 mg/dL
Numbness and tingling of fingers and Trousseau’s sign, tetany, muscle cramps
Hypercalcemia
> 10.2 mg
Muscle weakness, constipation, anorexia, N/V polyuria, polydipsia
Hypomagnesemia
<1.6 mEq
Anorexia, neuromuscular irritability, depression, disorientation
Hypermagnesemia
> 2.6 mEq
Flushing, hypotension, drowsiness, decreased respiration, bradycardia
Sodium Chloride 0.45%
Hypotonic
daily maintenance of body fluid and establishment of renal function