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Table 1 Complete blood count, biochemical investigation, arterial blood gases and CSF analysis

From: Serotonin syndrome: a rare undiagnosed cause of hyperpyrexia

Test

Result

Unit

Reference range

Complete blood count

 Hemoglobin

8

g/dl

11–16

 Red blood cells

3.681.000

million u/l

3.8–5.4

 Platelets

262.000

u/l

150–540

 TLC

21.900

u/l

4–11

 Neutrophils

78.4

%

40–60

 Lymphocytes

7.5

%

20–40

 MCV

66.8

Fl

78–96

 MCH

21.7

Pg

26–32

Chemistry

 Serum sodium

136

meq/l

135–145

 Serum potassium

3.7

mmol/l

3.5–5

 Serum calcium

8.9

mg/dl

9–11

 Ionized calcium

1.1

mmol/l

1.2–1.4

 Random blood sugar

135

mg/dl

74–106

 ALT

23

u/l

14–63

 AST

113

u/l

15–37

 Alkaline phosphatase

88

u/l

44–147

 Total bilirubin

0.3

mg/dl

0.20–1.00

 Total protein

6.3

gm/dl

6–8.3

 Serum albumin

3.2

gm/dl

3.4–5.4

 Creatine kinase (CK)

12,620

IU/L

2– = 30

 Serum urea

39

mg/dl

17–49

 Serum creatinine

1.5

mg/dl

0.7–1.3

 Serum urea (second day)

60

mg/dl

17–49

 Serum creatinine (second day)

2.5

mg/dl

0.7–1.3

Arterial blood gases:

 PH

7.25

 

7.35–7.45

 PCO2

30

mmHg

35–45

 PCO2

18

mEq/l

22–26

 HCO3

55

mmHg

75–100

CSF analysis

 Aspect

Clear

 

Clear

 Color

Colorless

 

Colorless

 Sugar

59

mg/dl

50–80 mg/dl

 Protein

30

mg/dl

15–45 mg/dl

 Cells

No cells

 

0–5

 Gram stain

No organism

 

No organism

 Zeil Nelsen stain

No organism

 

No organism

 CSF culture

No growth

 

No growth