Understanding Lab Studies

Bryan E. Bledsoe, DO, FACEPMidlothian, Texas

Hematology Coagulation Tests Chemistries:

◦ Electrolytes◦ Renal Function Tests◦ Tests of Glucose Metabolism◦ Tests of Lipid Metabolism◦ Cardiac Enzymes and Markers◦ Tests of Liver Function

Common Emergency Lab Tests

Serologic Testing◦ Blood Banking◦ Micobiological

Endocrine Tests Microbiology Urinalysis Toxicology Arterial Blood Gas

Common Emergency Lab Tests

Each lab must set reference values for their patient population.

National standards published annually in the New England Journal of Medicine.

Normal values MAY be abnormal for the patient in question.

Establishing Reference Values

Gaussian Curve

Gaussian Curve

Gaussian Curve

Hematology

Hematology

White Blood Cells

Neutrophils

Eosinophils

Basophil

Monocyte

Lymphocyte

Hematology (Differential)

CBC Shorthand

Differential Interpretations

Coagulation Tests

Anion Gap Estimation

Milligrams to Milliequivalents

Electrolytes

Electrolytes

Renal Function

BMP Shorthand

BUN/Creatinine Rations

Blood/Plasme Glucose Levels

Lipids

Cardiac Enzymes

Cardiac Enzymes

Liver Function Tests

Liver Function Tests

Infectious Disease Serology

Endocrine Functions

Urinalysis

Urinalysis

Arterial Blood Gasses

ABG Interpretation

Acid-Base Disorders

Acid-Base Disorders

Respiratory Gas Monitoring

Powerpoint will be available at:

http://www.bryanbledsoe.com