Labs Flashcards
Values and descriptions
CBC
RBC count, WBC count, WBC differential (% of each type), hemoglobin, and hematocrit
Normal hemoglobin
12-17
Low hemoglobin indicates:
anemia or blood loss
High hemoglobin indicates:
polycythemia or dehydration
Risky hemoglobin levels
8-11
Critical hemoglobin
<7
What is hematocrit?
percentage of RBC in total blood volume
Normal hematocrit?
35-47%
Low hematocrit indicates:
anemia or blood loss or vitamin/mineral deficiences
High hematocrit indicates:
polycythemia or dehydration
Normal platelets
165,000-415,000
What is thrombocytopenia and what does it indicate?
Low platelets
Increased risk for bruising and abnormal bleeding
What is thrombocythemia and what does it indicate?
High platelets
Increased risk for thrombosis- may result in a stroke or heart attacks
Normal RBC count
4-6 million (4-6 x 10^6/ml)
Low RBC count indicates:
anemia and results in fatigue and weakness
High RBC indicates:
increased risk for stroke or heart attacks
Normal WBC count
3,500-9,000
What is leukopenia and what does it indicates?
Low WBC
Increased risk for infection
What is leukocytosis and what does it indicate?
High WBC
Presence of infection or leukemia
Normal pH
7.35-7.45
Normal PaCo2 (at sea level)
35-45 mmHg
Normal PaO2 (at sea level)
80-100 mmHg
Normal HCO3 (bicarbonate)
22-26 mEq/L
Normal SpO2
95-98%
