Typical Labs Flashcards
(46 cards)
Potassium K+
3.5 - 5.1 mEq/L Critical < 3.1, > 5.9 mEq/L Death < 2.2 - 7.0 mEq/L < Death -1 mEq K = 200-400 mEq deficit Recommended daily intake: 40 - 60 mEq HyperKalemia Cardiac dysrhythmia: Peaked T wave, Widened QRS, Depressed ST segment
Sodium Na+
135 - 145 mEq/L Seizure < 121 mEq/L Critical > 159 mEq/L +3 mEq above normal = 1L deficit +1 kg = 1L surplus
Calcium
Total 8.8 - 10.3 mg/dL; Critical Total < 6.6, > 12.9 mg/dL; Tetany at 6 mg/dL; Laryngospasm at 4 mg/dL
Calcium
Total 8.8 - 10.3 mg/dL; Critical Total < 6.6, > 12.9 mg/dL; Tetany at 6 mg/dL; Laryngospasm at 4 mg/dL
Average Serum Osmolality
290 mOsm/kg; -50 = hypotonic; +50 mOsm/L = hypertonic
Glucose
65 - 99 mg/dL Critical < 40, > 499 mg/dL Convulsion 20 - 50 mg/dL
Blood Urea Nitrogen BUN
7 - 18 mg/dL < renal d/o or dehydration
Creatinine Cr
0.5 - 1.0 mg/dL High with BUN = kidney dz
Liver Function Test
AST, ALT, Albumin, Total Bilirubin
Aspartate Aminotransferase (AST)
10 - 40 U/L; aid in dx MI
Hypotonic Solutions\
0.45% NS
0.45% NS Constituents
Na 77; Cl 77 mEq/L; Hypotonic
D5W Constituents
Dextrose 278 mmol/L; Isotonic (becomes hypotonic)
D5 1/2NS Constituents
Na 77, Cl 77 mEq/L, Dextrose 278 mmol/L; Hypertonic
Phosphate
2.3 - 4.5 mg/dL; Critical < 1.0 mg/dL
Chloride
98 - 107 mEq/L; Critical < 80, > 115 mEq/L
Liver Function Test
AST, ALT, Albumin, Total Bilirubin
Aspartate Aminotransferase (AST)
10 - 40 U/L; aid in dx MI
Alanine Aminotransaminase (ALT)
20 - 65 U/L; more specific than AST
Albumin
3.5 - 5.0 g/dL; it is 50 - 70 % of total proteins; edematous at < 2.5 g/dL
Total Bilirubin
0.1 - 1.2 mg/dL; Jaundice > 3, Critical > 15 mg/dL
Ammonia
35 - 65 ug/dL
135 - 145 mEq/L Seizure < 121 mEq/L Critical > 159 mEq/L +3 mEq above normal = 1L deficit +1 kg = 1L surplus
Sodium Na+
Total 8.8 - 10.3 mg/dL; Critical Total < 6.6, > 12.9 mg/dL; Tetany at 6 mg/dL; Laryngospasm at 4 mg/dL
Calcium
