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Oxford Handbook of Clinical Medicine > Reference intervals > Flashcards

Reference intervals Flashcards

1
Q

Haematology reference intervals: white cell count

A

4.0-11.0 x 10^9/L

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2
Q

Haematology reference intervals: red cell count, male

A

4.5-6.5 x 10^12/L

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3
Q

Haematology reference intervals: red cell count, female

A

3.9-5.6 x 10^12/L

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4
Q

Haematology reference intervals: haemoglobin, male

A

130-180g/L

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5
Q

Haematology reference intervals: haemoglobin, female

A

115-160g/L

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6
Q

Haematology reference intervals: packed red cell volume (PCV) or haematocrit, male

A

0.4-0.54L/L

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7
Q

Haematology reference intervals: packed red cell volume (PCV) or haematocrit, female

A

0.37-0.47L/L

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8
Q

Haematology reference intervals: mean cell volume (MCV)

A

76-96fL

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9
Q

Haematology reference intervals: mean cell haemoglobin (MCH)

A

27-32pg

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10
Q

Haematology reference intervals: mean cell haemoglobin concentration (MCHC)

A

300-360g/L

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11
Q

Haematology reference intervals: red cell distribution width (RCDW, RDW)

A

11.6-14.6%

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12
Q

Haematology reference intervals: neutrophils

A

2.0-7.5 x 10^9/L

40-75% WCC

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13
Q

Haematology reference intervals: lymphocytes

A

1.0-4.5 x 10^9/L

20-45% WCC

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14
Q

Haematology reference intervals: eosinophils

A

0.04-0.44 x 10^9/L

1-6% WCC

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15
Q

Haematology reference intervals: basophils

A

0.0-0.10 x 10^9/L

0-1% WCC

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16
Q

Haematology reference intervals: monocytes

A

0.2-0.8 x 10^9/L

2-10% WCC

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17
Q

Haematology reference intervals: platelet count

A

150-400 x 10^9/L

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18
Q

Haematology reference intervals: reticulocyte count

A

0.8-2.0% (if red cel count normal)

25-100 x 10^9/L

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19
Q

Haematology reference intervals: erythrocyte sedimentation rate (ESR)

A

Depends on age.

In males, age/2. In females, (age +10)/2.

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20
Q

Haematology reference intervals: prothrombin time (citrated bottle) (factors I, II, VII, X)

A

10-14s

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21
Q

Haematology reference intervals: activated partial thromboplastin time (VIII, IX, XI, XII)

A

35-45s

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22
Q

Arterial blood gases reference intervals: pH

A

7.35-7.45

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23
Q

Arterial blood gases reference intervals: PaCO2

A

4.7-6.0kPa

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24
Q

Arterial blood gases reference intervals: PaO2

A

> 10.6kPa

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25
Q

Arterial blood gases reference intervals: base excess

A

±2mmol/L

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26
Q

Urine reference intervals: cortisol (free)

A

<280mmol/24hrs

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27
Q

Urine reference intervals: hydroxyindole acetic acid

A

16-73µmol/24hrs

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28
Q

Urine reference intervals: hydroxymethylmandelic acid

A

16-48µmol/24hrs

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29
Q

Urine reference intervals: metanephrines

A

0.03-0.69µmol/mmol creatinine (or <5.5µmol/day)

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30
Q

Urine reference intervals: osmolality

A

350-1000mosmol/kg

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31
Q

Urine reference intervals: 17-oxogenic steroids

A

28-30µmol/24hrs (males)

21-66µmol/24hrs (females)

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32
Q

Urine reference intervals: 17-oxosteroids (neutral)

A

17-76µmol/24hrs (males)

14-59µmol/24hrs (females)

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33
Q

Urine reference intervals: phosphate (inorganic)

A

15-50mmol/24hrs

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34
Q

Urine reference intervals: potassium

A

14-120mmol/24hrs

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35
Q

Urine reference intervals: protein

A

<150mg/24hrs

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36
Q

Urine reference intervals: protein creatinine ratio

A

<3mg/mmol

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37
Q

Urine reference intervals: sodium

A

100-250mmol/24hrs

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38
Q

Biochemistry reference intervals: plasma adrenocorticotrophic hormone (ACTH)

A

<80ng/L

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39
Q

Biochemistry reference intervals: plasma alanine aminotransferase (ALT)

A

5-35u/L

40
Q

Biochemistry reference intervals: plasma albumin

A

35-50g/L

41
Q

Biochemistry reference intervals: plasma aldosterone

A

100-500pmol/L

42
Q

Biochemistry reference intervals: plasma alkaline phosphatase (ALP)

A

30-130u/L (adults)

43
Q

Biochemistry reference intervals: plasma alpha-amylase

A

0-180iu/dL

44
Q

Biochemistry reference intervals: serum alpha-fetoprotein

A

<10ku/L

45
Q

Biochemistry reference intervals: plasma angiotensin II

A

5-35pmol/L

46
Q

Biochemistry reference intervals: plasma antidiuretic hormone (ADH)

A

0.9-4.6pmol/L

47
Q

Biochemistry reference intervals: plasma aspartate transaminase (AST)

A

5-35u/L

48
Q

Biochemistry reference intervals: plasma bicarbonate

A

24-30mmol/L

49
Q

Biochemistry reference intervals: plasma bilirubin

A

3-17µmol/L

50
Q

Biochemistry reference intervals: plasma BNP

A

<50ng/L

51
Q

Biochemistry reference intervals: plasma C-reactive protein (CRP)

A

<10mg/L

52
Q

Biochemistry reference intervals: plasma calcitonin

A

<0.1mcg/L

53
Q

Biochemistry reference intervals: plasma calcium (ionised)

A

1.0-1.25mmol/L

54
Q

Biochemistry reference intervals: plasma calcium (total)

A

2.12-2.60mmol/L

55
Q

Biochemistry reference intervals: plasma chloride

A

95-105mmol/L

56
Q

Biochemistry reference intervals: plasma cholesterol

A

<5.0mmol/L

57
Q

Biochemistry reference intervals: plasma cholesterol, VLDL

A

0.128-0.645mmol/L

58
Q

Biochemistry reference intervals: plasma cholesterol, LDL

A

<2.0mmol/L

59
Q

Biochemistry reference intervals: plasma cholesterol, HDL

A

0.9-1.93mmol/L

60
Q

Biochemistry reference intervals: plasma cortisol

A

a.m. 450-700nmol/L

midnight 80-280nmol/L

61
Q

Biochemistry reference intervals: plasma creatine kinase

A

25-195u/L (male)

25-170u/L (female)

62
Q

Biochemistry reference intervals: plasma creatinine (proportional to lean body mass)

A

70-100µmol/L

63
Q

Biochemistry reference intervals: plasma ferritin

A

12-200mcg/L

64
Q

Biochemistry reference intervals: serum folate

A

2.1mcg/L

65
Q

Biochemistry reference intervals: serum/plasma FSH

A

2-8u/L in females (luteal)

>25u/L in menopause

66
Q

Biochemistry reference intervals: plasma gamma-glutamyl transpeptidase (GGT)

A

11-51u/L (males)

7-33u/L (females)

67
Q

Biochemistry reference intervals: plasma fasting glucose

A

3.5-5.5mmol/L

68
Q

Biochemistry reference intervals: plasma growth hormone

A

<20mu/L

69
Q

Biochemistry reference intervals: whole blood HbA1C (glycosylated Hb, DCCT)

A

4-6%

7% = good DM control

70
Q

Biochemistry reference intervals: whole blood HbA1C IFCC (more specific than DCCT)

A

20-42mmol/mol

53 = good DM control

71
Q

Biochemistry reference intervals: serum iron

A

14-31µmol/L (males)

11-30µmol/L (females)

72
Q

Biochemistry reference intervals: plasma lactate

A

Venous 0.6-2.4mmol/L

Arterial (ABG) 0.6-1.8mmol/L

73
Q

Biochemistry reference intervals: plasma lactate dehydrogenase (LDH)

A

70-250u/L

74
Q

Biochemistry reference intervals: whole blood lead

A

<1.8mmol/L

75
Q

Biochemistry reference intervals: plasma LH (premenopausal)

A

3-16u/L (luteal)

76
Q

Biochemistry reference intervals: plasma magnesium

A

0.75-1.05mmol/L

77
Q

Biochemistry reference intervals: plasma osmolality

A

278-305mosmol/kg

78
Q

Biochemistry reference intervals: plasma parathyroid hormone

A

<0.8-8.5pmol/L

79
Q

Biochemistry reference intervals: plasma potassium

A

3.5-5.3mmol/L

80
Q

Biochemistry reference intervals: plasma prolactin

A

<450u/L (males)

<600u/L (females)

81
Q

Biochemistry reference intervals: plasma PSA (prostate specific antigen)

A

0-4mcg/mL, age specific

82
Q

Biochemistry reference intervals: plasma protein (total)

A

60-80g/L

83
Q

Biochemistry reference intervals: whole blood red cell folate

A

0.36-1.44µmol/L

160-640mcg/L

84
Q

Biochemistry reference intervals: plasma renin (erect/recumbent)

A
  1. 8-4.5/

1. 1-2.7pmol/mL/hr

85
Q

Biochemistry reference intervals: plasma sodium

A

135-145mmol/L

86
Q

Biochemistry reference intervals: plasma thyroid binding globulin (TBG)

A

7-17mg/L

87
Q

Biochemistry reference intervals: plasma thyroid stimulating hormone (TSH)

A

0.5-4.2mu/L
widens with age
assays vary
4-5 is a grey area

88
Q

Biochemistry reference intervals: plasma thyroxine (T4)

A

70-140mmol/L

89
Q

Biochemistry reference intervals: plasma thyroxine (free)

A

9-22pmol/L

90
Q

Biochemistry reference intervals: serum total iron binding capacity (TIBC)

A

54-75µmol/L

91
Q

Biochemistry reference intervals: plasma fasting triglycerides

A

0.50-2.3mmol/L

92
Q

Biochemistry reference intervals: plasma triiodothyronine (T3)

A

1.2-3.0nmol/L

93
Q

Biochemistry reference intervals: plasma troponin T

A

<0.1mcg/L

94
Q

Biochemistry reference intervals: plasma urate

A

210-480µmol/L (males)

150-390µmol/L (females)

95
Q

Biochemistry reference intervals: plasma urea

A

2.5-6.7mmol/L

96
Q

Biochemistry reference intervals: serum vitamin B12

A

0.13-0.68nmol/L

>150ng/L

97
Q

Biochemistry reference intervals: serum vitamin D

A

50nmol/L (total)

Oxford Handbook of Clinical Medicine (22 decks)

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