Inpatient Lab Values

ANC red flag

less than 1000; protective isolation

WBC red flag

<2500 or >11000 with fever; no exercise

Hct red flag

<25%; symptom-based w/collab

Hct red flag critical values

<15% or >60%

hgb (hemoglobin) red flag

7-8; symptom-based w/ collab

hgb red flag critical values

<5 or >20; defer

platelets red flag

<20000; symptom-based w/ collab

platelets PRE

>50000

INR red flag

>3.6; increased bleeding risk

INR red flag critical value

>5.5; defer exercise

normal Na+ values

136-145

critical Na+ values

<120 (orthostatic hypotension) or >160 (seizure)

K+ normal values

3.5-5

K+ critical values

<2.5 or >6.5 (arrhythmia)

Ca++ normal values

9-10.5

Cl- normal values

98-106

Ca++ critical values

<6 or >13 (arrhythmia)

BUN normal values

6-25

Creatinine normal values

0.5-1.1 (F), 0.6-1.2 (M)

Mg++ normal values

1.3-2.1

Mg++ critical values

<.5 (polymorph ventricular tachycardia) or >3 (arrhythmia)

Glucose normal values

74-106

Glucose critical values

<50 or >500 (diabetic ketoacidosis)

CO2 normal values

22-29

prothrombin (PT) normal values

11-12.5 secs

prothrombin critical values

>1.5-2x

INR normal values

.8-1.1

INR therapeutic values

2-3/2.5-3.5

aPTT normal values

30-40 secs

aPTT therapeutic values

1.5-2.5x or 40-70 secs

aPTT critical value

>70 secs; seek clearance

d-dimer normal values

<250

d-dimer critical value

>450; high VTE probability

troponin normal value

<.1 (T) <.03 (I)

high sensitivity troponin

<14 (F) <22 (M)

BNP (brain natriuretic peptide) normal value

<100

BNP critical value

>400; heart failure likely

NYHA Class 1 CHF grade

mild 100-300

NYHA Class 2 CHF grade

moderate 300-600

NYHA Class 3 CHF grade

moderate 600-900

NYHA Class 4 CHF grade

severe >900

synovial fluid normal values

<200 WBC, <2000 RBC

synovial fluid red flags

>200 WBC (infection), >2000 RBC (hemathrosis)

CSF exam pressure normal value

<20, no WBC or bacteria

culture test: infection

>100,000 organisms

culture test: contaminant or colonization

<100,000 organisms

alpha EEG waves

arousal/wakened state

beta EEG waves

anxiety, depression, sedation

theta EEG waves

frontal lobes of children and young adults

delta EEG waves

sleep, low frequency

normal RAP (right atrial pressure) value

0-8 mmHg

normal CVP (central venous pressure) values

3-8 mmHg

normal resting cardiac output

4-8 L/min

normal stroke volume

55-130 ml

cardiac index normal amount

3 L/min/m²

cardiac index critical value

<2.2; cardiogenic shock

mixed arterial O2 saturation

100 at level artery; 5 at level of capillary

intracranial pressure normal values

7-15

TBI glascow coma scale indication values

3-8

cerebral perfusion pressure normal values (MAP-ICP)

50-70 (above= resp. distress, reduced= cerebral ischemia)