Medical Flashcards
WBC Normal Values
Adult 5,000-10,000
Pediatric 4,500-15,500
Determine infection/inflammatory response
Implication:WBC
Decreased WBC. Increased WBCs
Bone marrow depression Infection
Influenza. Leukemia
Measles. Major trauma
Mononucleosis. MI
Typhoid
Rubella
Hepatitis
AIDS
Normal Platelet Count
150,000-400,000
Evaluate platelet production
An indicator for impaired clotting function
Implication: Platelet Count
Decreased platelets Increased platelets
Leukemia. Iron deficiency anemia
Folic acid deficiency Recent surgery
Splenic injury/disease Splenectomy
Bone marrow diseases Major trauma
Normal BUN
8-20 mg/dl
Renal function and hydration
Decreased BUN
Liver failure
Malnutrition
Excessive IV fluids
Impaired absorption
Nephrotic syndrome
Pregnancy
Low protien diet
Increased BUN (azotemia)
Kidney disease
Urinary obstruction
Shock or dehydration
Congestive heart failure
Gastrointestinal hemorrhage
Infection
Diabetes
MI
Chronic gut
Normal Creatine
0.5-1.2 mg/dl
Aid in the diagnosis of renal dysfunction
Increased Creatine
Impaired renal function
Chronic nephritis
Unrinary obstruction
Muscle disease
Muscular dystrophy
Poliomyelitis
Diabetic acidosis
Starvation
Hyperthryroidism
Decreased Creatinine
Insignificant
BUN/Creatinine Ratio
10:1
Elevation of this ratio to greater than 10:1 is indicative of renal failure.
Normal Sodium
135-145mEq/L
Evaluate fluid-electrolyte and acid-base balance
Decreased Sodium
Inadequate Na+ intake
Excessive Na+ loss
Diuretics
Burns
Vomiting
Increased Sodium
Inadequate water intake
Excessive Na+ intake
Diabetes insipidus/excessive water loss
Coma
Cushing’s disease
Tracheobronchitis
Normal Potassium
3.5-5.0
Monitor renal function and acid-base balance
Detect the origin of arrhythmia
Decreased Potassium
Diarrhea/severe vomiting
Pyloric obstruction
Starvation
Malabdorption
Severe burns
Primary aldosteronism
Renal tibular acidosis
Steriods
Liver disease with ascites
Increased potassium
Oliguria
Anuria
Cell damage
Acidosis
Addison’s disease
Selective hypoaldosteronism
Internal hemorrhage
Uncontrolled diabetes
Normal Chloride
91-110 mmol/L
Evaluate acid-base balance, electrolyte balance, and fluid status
Decreased Chloride
Low Na+ and K+ levels
Chronic renal failure
Gastric suctioning
Vomiting/diarrhea
CHF/edema
Acute infections
Fever
Addison’s disease
Diabetic acidosis
Increased Chloride
Renal failure
Head injury
Dehydration
Cushing’s syndrome
Hyperventilation
Eclampsia
Anemia
Cardiac decompensation
Normal CO2
20-30 mEq/L
Evaluates carbon dioxide levels
Normal Phosphate
2.6-4.6 mg/dl
Detect endocrine, calcium, renal, and skeletal disorders
Decreased phosphate
Hyperparathyroidism
Rickets
Osteomalacia
Diabetic coma
Hyperinsulinism
Continuous administrtion of IV glucose in a non-diabetic
Increased phosphate
Kidney dysfunction Uremia Bone tumors Hypoparathyroidism Hypocalcemia Excessive alkali intake Excessive intake of vitamin D Addison’s disease Acromegaly