White Blood Cell Count x 103/uL (x 109/L)
WBC
4.5-11.5 (3.9-11.7 Egan's Fundamentals of Respiratory Care Ch 17)
Red Blood Cell Count x 106/uL (x 1012/L)
RBC
M:4.60-6.00
F:4.00-5.40
Hemoglobin g/dL (g/L)
Hgb
M: 14.0-18.0 (140-180)
F: 12.0-15.0 (120-150)
Hematocrit % (L/L)
Hct
M: 40-54 (0.40-0.54)
F: 35-49 (0.35-0.49)
Segmented neutrophils
40% - 75%
Bands
0% - 6%
Eosinophils
0% - 6%
Basophils
0% - 1%
Lymphocytes
20% - 45%
Monocytes
2% - 10%
Platelet count
150,000 - 400,000/mm3
pH (range)
7.40 (7.35 -7.45)
PaCO2 (range)
40 (35-45) torr
PaO2 (range)
95 (85-100) torr
SaO2
>97%
HCO3 - (range)
24 (22-26) mEq/L
BE+ (range)
0 (-2 to +2) mEq/L
SpO2
>97%
SvO2
75%
Normal Neonatal Arterial Blood Gas Values
Normal Preterm (at 1-5hr)
pH 7.33 (7.29-7.37)
PaCO2 (mm Hg) 47 (39-56)
PaO2 (mm Hg) 60 (52-68)
SaO2 90%
HCO3 - mEq/L 19 (18-20)
BE+ (mEq/L) -4 (-5 - -2)
SpO2 90%
Normal Neonatal Arterial Blood Gas Values
Normal Term (at 5hr)
pH 7.34 (7.31-7.37)
PaCO2 (mm Hg) 35 (32-39)
PaO2 (mm Hg) 74 (62-86)
SaO2 95%
HCO3 - mEq/L 21 (20-22)
BE+ (mEq/L) -3 (-6 - -2)
SpO2 95%
Normal Neonatal Arterial Blood Gas Values
Normal Preterm (at 5 days)
pH 7.38 (7.34-7.42)
PaCO2 (mm Hg) 36 (32-41)
PaO2 (mm Hg) 76 (62-92)
SaO2 95%
HCO3 - mEq/L 21 (20-22)
BE+ (mEq/L) -3 (-6- -2)
SpO2 95%
Arterial Blood Pressure
ABP
90-140/60-90 mm Hg
Common alterations:
<140/90 mm Hg: hypertension
<90/60 mm Hg: hypotension
ECG
Normal heart rate and rhythm
Common alterations:
PR interval > 0.2 sec (tachycardia, bradycardia, heart block [ first, second, or third degree], premature ventricular contractions, premature atrial contractions, atrial fibrillations, atrial flutter, elevated T wave, ventricular tachycardia, ventricular fibrillation, asystole)
Heart Rate (HR)
60-100 beats/min
Common alternations:
Rate > 100: tachycardia
Rate < 60: bradycardia
PR interval
0.12-0.20/sec
Common alterations:
>0.20: tachycardia, bradycardia, first-, second-, third-degree heart block, premature ventricular, atrial contractions, atrial fibrillation, atrial flutter, elevated ST segment, inverted T wave, ventricular tachycardia, fibrillation, asystole
QRS interval
<0.10/sec
Common alternations:
>0.10: ectopic foci
ST segment
Isoelectric
Common alterations:
Elevated or depressed: myocardial ischemia
T wave
Upright, round, and asymmetric
Common alterations:
inverted with ischemia, tall and peaked with electrolyte imbalances
Cardiac Output (CO)
4-8 L/min
Common alterations:
> 8 L/min (elevated): caused by stress, septic shock, fever, hypervolemia drugs
< 4 L/min (decreased): left ventricular failure, myocardial infarction, pulmonary embolus, PPV, PEEP, pneumothorax, blood loss, hypovolemia
Cardiac Index (CI)
2.5-4.0 L/min/m2 (2.5-4.2 L/min/m2 : Cardiopulmonary Book Ch15)
Common alternations:
>4 L/min/m2:fluid overload, right ventricular failure, pulmonary hypertension, valvular stenosis, pulmonary embolus, cardiac tamponade, pneumothorax, positive pressure ventilation, PEEP, left ventricular failure
<2 L/min/m2: hypovolemia, blood loss, shock, peripheral vasodilation, cardiovascular collapse
Central Venous Pressure (CVP)
2-6 mm Hg (0-8 mm Hg)
Common alternations:
>6 mm Hg:fluid overload, right ventricular failure, pulmonary hypertension, valvular stenosis, pulmonary embolus, cardiac tamponade, pneumothorax, positive pressure ventilation, PEEP, left ventricular failure
<2 mm Hg: hypovolemia, blood loss, shock, peripheral vasodilation, cardiovascular collapse
Pulmonary Artery Pressure (PAP)
20-35/5-15 mm Hg
Common alternations:
>35/15 mm Hg: fluid overload, pulmonary hypertension, left ventricular failure
<20/5 mm Hg: hypovolemia, pulmonary hypotension, cardiovascular collapse
Mean Pulmonary Artery Pressure (PAP)
10-20 mm Hg (9-18 mm Hg)
Common alternations:
>20 mm Hg: fluid overload, pulmonary hypertension, left ventricular failure
<10 mm Hg: hypovolemia, pulmonary hypotension, cardiovascular collapse
Pulmonary Capillary Wedge Pressure (PCWP)
Pulmonary Artery Wedge (PAW)
Pulmonary Artery Occlusion (PAO)
5-10 mm Hg (<18 mm Hg) (4-12 mm Hg: Cardiopulmonary Book Ch15)
Common alterations:
>18 mm Hg: left ventricular failure, fluid overload
>20 mm Hg: interstitial edema
>25 mm Hg: alveolar filling
>30 mm Hg: frank pulmonary edema
<5 mm Hg: hypovolemia, shock, cardiovascular collapse
Systemic Vascular Resistance (SVR)
11.25-17.5 mm Hg/L/min
900-1400 dynes x sec x cm3
(800-1500 dynes x sec x cm-5)
Common alterations:
>1400 dynes x sec x cm3 : caused by vasoconstrictors, hypovolemia, late septic shock
<900 dynes x sec x cm3 : caused by vasodilators, early septic shock
Pulmonary Vascular Resistance (PVR)
110-250 dynes x sec x cm3
(20-120 dynes x sec x cm3 : Cardiopulmonary Book Ch15)
Common alterations:
>250 dynes x sec x cm3 : hypoxemia, decreased pH, PaCO2, vasopressors, emboli, emphysema, interstitial fibrosis, pneumothorax
<110 dynes x sec x cm3 : pulmonary vasodilators, nitric oxide, O2, calcium blockers
Right Atrial Pressure (RAP)
0-8 mm Hg
Stroke Volume (SV)
60-130 mL
Stroke Volume Index (SVI)
30-60 mL/beats/ m2
Right Ventricular Stroke Work Index (RVSWI)
7-12 g m/m2
Left Ventricular Stroke Work Index (LVSWI)
40-60 g m/m2
Partial Thromboplastin Time (PTT) (sec)
Infant (1 day old): 37.1-48.7
Infant (5 days old): 34-51.2
Adult: 25-39
Prothrombin Time (PT) (sec)
Infant (1 day old): 11.6-14.4
Infant (5 days old): 10.9-15.3
Adult: 12-15
Albumin
2.9-5.5 mg/dL
Blood urea nitrogen (BUN)
8-23 mg/dL
Calcium (Ca)
8.6-10.5 mmol/dL
Ionized Calcium (Ca2+)
2.25-2.75 mEq/L
CO2
22-29 mmol/L
Chloride (Cl-)
98-107 mEq/L
Creatinine (Cr)
0.7-1.3 mg/dL
Glucose
<100 mg/dL
Magnesium (Mg2+)
1.7-2.4 mg/dL
Potassium (K+)
3.5-5.0 mEq/L
Sodium (Na+)
135-145 mEq/L
Tidal Volume (VT)
5-8 mL/kg PBW
Critical Value:
<4-5 mL/kg or <300mL
Frequency (f)
12-20 breaths/min
Critical value:
>30-35 breaths/min
Rapid Shallow Breathing Index (RSBI)
Critical value:
>105 without PS or CPAP
Dead Space- to - Tidal Volume Ratio (VD /VT)
0.25-0.40
Critical value:
>0.60
Minute Volume (VE)
5-6 L/min
Critical value:
>10 L/min
Vital Capacity (VC)
65-75 mL/kg
Critical value:
<10-15 mL/kg
Maximum Inspiratory Pressure (MIP)
-80 to -100 cm H2O
Critical value:
0 to -20 cm H2O
Normal Respiratory, Heart Rate & Blood Pressure
Infants (< 1yr)
Resting Pulse (beats/min): 90-170
Respiratory Rate (breaths/min): 30-60
Heart Rate (beats/min): 90-120
Blood Pressure (mm Hg): 80/50 (1-6 mo) 90/65 (6-12 mo)
Normal Respiratory, Heart Rate & Blood Pressure
Toddler (1-3yr)
Resting Pulse (beats/min): 80-160
Respiratory Rate (breaths/min): 24-40
Heart Rate (beats/min): 80-100
Blood Pressure (mm Hg): 90/65 (1-2yr)
Normal Respiratory, Heart Rate & Blood Pressure
Preschoolers (4-5yr)
Resting Pulse (beats/min): 80-120
Respiratory Rate (breaths/min): 22-34
Heart Rate (beats/min): 70-90
Blood Pressure (mm Hg): 100/60 (2-6yr)
Normal Respiratory, Heart Rate & Blood Pressure
School Age (6-12yr)
Resting Pulse (beats/min): 70-110
Respiratory Rate (breaths/min): 18-30
Heart Rate (beats/min): 70-90
Blood Pressure (mm Hg): 110/60
Normal Respiratory, Heart Rate & Blood Pressure
Adolescent (13-18yr)
Resting Pulse (beats/min): 70-110
Respiratory Rate (breaths/min): 16-22
Heart Rate (beats/min): 60-80
Blood Pressure (mm Hg): 110/65 (12-16yr)
Normal Respiratory, Heart Rate & Blood Pressure
Adult
Resting Pulse (beats/min): 60-100
Respiratory Rate (breaths/min): 12-20 (12-18)
Heart Rate (beats/min): 60-100
Blood Pressure (mm Hg): <120/80