Lab Medicine-Metabolic Panel Flashcards
What labs are included in the BMP?
- Sodium
- Potassium
- Chloride
- Carbon Dioxide
- Glucose
- BUN
- Creatinine
- Calcium
What labs are included in CMP that are not included in the BMP?
- Alkaline Phosphatase
- Bilirubin, Total
- AST (SGOT)
- ALT (SGPT)
- Protein, Total
- Albumin
What labs can be run to assess kidney function?
- BUN
* Creatinine
What labs can be run to assess electrolytes?
- Sodium
- Potassium
- Chloride
- Carbon Dioxide
Normal range of Sodium?
135-145 mEq/L
Critical Range of Sodium?
155 mEq/L
Name 3 factors that regulate sodium balance
- Aldosterone
- Natriuretic Hormone
- Antidiuretic Hormone
(All assist kidney to maintain appropriate levels of free water)
Symptoms of hyponatremia?
weakness confusion lethargy stupor coma
Symptoms of hypernatremia?
dry mucous membranes thirst agitation restlessness hyperreflexia mania convulsions
Cushing syndrome and hyperaldosteronism can lead to an increase in which electrolyte?
Sodium
Name three drugs that can lead to an increase in serum sodium levels.
- Steroids
- Licorice
- Oral Contraceptives
Name 4 types of drugs that can lead to a decrease in serum sodium levels.
- thiazide diuretics
- ACE inhibitors
- SSRIs
- Antipsychotics
Name the predominant extracellular cation +
Sodium
Name the major intracellular cation +
Potassium
What is the primary concern of an abnormal K+ level?
arrhythmia
Normal range of potassium?
3.5-5.0 mEq/L
Critical values for Potassium?
6.0 mEq/L
Symptoms of hyperkalemia?
- arrhythmias
- abdominal cramps
- N/V/D
Hemolysis can lead to an elevation in which electrolyte?
*hemolysis
Symptoms of hypokalemia?
- weakness
- paralysis
- hyporeflexia
- ileus
- arrhythmias
Which drugs can lead to an increase in potassium serum levels?
- K+ salts
- K+ sparing diuretics
- NSAIDS
- ACEIs
- ARBs
Low magnesium can lead to a decrease in low serum levels of which electrolyte?
potassium!
Check Mg if you are unable to correct for low K+