Page 140 - Clinical Hematology_ Theory _ Procedures ( PDFDrive )

124 PART 2 ■ Hematopoiesis and Cellular Maturation

TABLE 6.1 Values in the Measurement of Erythrocytes

Normal Adult Values

Men Women

Conventional Units SI Conventional Units SI

Hematocrit

Packed cell volume 41.5%–50.4% 0.415–0.504 L/L 36%–45% 0.36–0.45 L/L

Erythrocyte count 4.5–5.9 × 10 /µL 4.5–5.9 × 10 /L 4.5–5.1 × 10 /µL 4.5–5.1 × 10 /L
12
12
6
6
Hemoglobin

Concentration 14.0–18.0 g/dL 145–180 g/L 12.0–16.0 g/dL 120–160 g/L

Normal value of MCV 80–96 80–96 fL 80–96 80–96 fL

Normal value of MCH 27.5–33.2 27.5–33.2 pg 27.5–33.2 27.5–33.2 pg

Normal value of MCHC 33.4%–35.6% 32–36 g/dL 33.4%–35.6% 32–36 g/dL

Representative Average Pediatric Values

At birth (cord blood)

Packed cell volume 51%

Erythrocyte count 4.7 × 10 /L
12
Hemoglobin concentration 16.5 g/dL

MCV 108 fL

MCH 34 pg

At 6–12 y of age

Packed cell volume 40%

Erythrocyte count 4.6 × 10 /L
12

Hemoglobin concentration 13.5 g/dL

MCV 86 fL

MCH 29 pg

SI, Systeme International d'Unites.

Source: Perkins SL. Normal blood and bone marrow values in humans. In: Greer JP, et al. (eds). Wintrobe’s Clinical Hematology, 11th ed, Philadelphia, PA:
Lippincott Williams & Wilkins, 2004:2607; Handin RI, Lux SE, Stossel TP. Blood, 2nd ed, Philadelphia, PA: Lippincott Williams & Wilkins, 2003:2216, Appendix 25

Red Blood Cell Values at Various Ages.

One femtoliter (fL) = 10 L = 1 cubic micrometer; one picogram (pg) = 10 g = 1 micromicrogram.
12
15

. % F m

m m m . F x m m

m . M , m m

m m , m , m

mL RBC . I - . H ( m C )

, m m , m m

, m x m , , m -

. m m k

I m, . F x

(+ ) k m m m m , m m

m - , m

(DM ). DM m k (F . . ).

. O , m I m , (+ ) ,

x - m m -

, ( ). , ( R). I