Page 805 - ACCCN's Critical Care Nursing

782 A P P E N D I X C N O R M A L V A L U E S

HAEMATOLOGY—cont’d
Parameter Application Normal Value
Haemoglobin (Hb) Anaemia Infant (3–6 mth): 95–135 g/L
Child (1 yr): 105–135 g/L
Child (3–6 yr): 105–140 g/L
Child (10–12 yr): 115–145 g/L
Adult (female): 115–165 g/L
Adult (male): 130–180 g/L
International normalised ratio (INR) Oral anticoagulant therapy Varies based on reason for therapy,
typically 2.0–3.0, although a target of
up to 4.5 may be used in those with a
mechanical heart value
Packed cell volume (PCV) (also Anaemia Infant (3 mth): 0.32–0.44
referred to as haematocrit) Child (3–6 yr): 0.37–0.44
Child (10–12 yr): 0.37–0.45
Adult (female): 0.37–0.47
Adult (male): 0.40–0.54
Plasminogen Investigation of tendency towards clotting, 50%–150%
e.g. venous thromboembolism
Platelet count Excessive or inappropriate bleeding 150–400 × 10 /L
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Prothrombin time (PT) Detection of coagulation factor deficiencies Varies based on laboratory method, but
due to vitamin K deficiency usually 11–15 seconds
Red cell count (RCC) Anaemia Infant (3 mth): 3.2–4.8 × 10 /L
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Child (1 yr): 3.6–5.2 × 10 /L
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Child (3–6 yr): 4.1–5.5 × 10 /L
Child (10–12 yr): 4.0–5.4 × 10 /L
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Adult (female): 3.8–5.8 × 10 /L
Adult (male): 4.5–6.5 × 10 /L
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Thrombin time (TT) Acquired or inherited disorders of haemostasis Varies based on laboratory method, but
usually 14–16 seconds
White cell count (WCC) Infection or inflammatory disease Neonate: 6.0–22.0 × 10 /L
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Child (1 yr): 6.0–18.0 × 10 /L
Child (4–7 yr): 5.0–15.0 × 10 /L
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Child (8–12 yr): 4.5–13.5 × 10 /L
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Adult: 4.0–10.0 × 10 /L
BLOOD GASES
Parameter Normal Value
Arterial
pH 7.36–7.44
Partial pressure of oxygen (PaO 2 ) 80–100 mm Hg
Partial pressure of carbon dioxide (PaCO 2 ) 35–45 mm Hg
Oxygen saturation (SaO 2 ) >94%
Venous
pH 7.34–7.42
Partial pressure of oxygen (PvO 2 ) 37–42 mm Hg
Partial pressure of carbon dioxide (PvCO 2 ) 42–50 mm Hg
Oxygen saturation (SvO 2 ) >70%

REFERENCE

1. The Royal College of Pathologists of Australasia, RCPA Manual, version 46, 8
March 2011, www.rcpa.edu.au/Publications/?RCPAManual.htm, accessed 17
March 2011.