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RPFT Normal values
| Equipment Operation: Calibration Syringe | 3.0 Liters Range: 2.895-3.105 L (+ - 3.5%) |
| Equipment Operation: ECG 1 Millivolt | 10 mm vertical deflection on the paper |
| Equipment Operation: ECG Paper speed | 25 mm per second |
| Spirometry: Typical value for Vital Capacity (VC) | Typical Value 4800 mL or 4.8 L |
| Spirometry: Tidal Volume (VT) | Typical Value 500 mL or 0.5 L |
| Spirometry: Inspiratory Reserve Volume (IRV) | Typical Value 3100 mL or 3.1 L |
| Spirometry: Expiratory Reserve Volume (ERV) | Typical Value 1200mL or 1.2L |
| Spirometry: Inspiratory Capacity ( IC) | Typical Value 3600 mL or 3.6L |
| Spirometry: Peak Expiratory Flow (PEF) or Peak Expiratory Flowrate (PEFR) | Typical Value 10L/Second or 600L/minute |
| Spirometry: Forced Expiratory Flow 200-1200 (FEF200-1200) | Typical Value 6L/second |
| Spirometry: Forced Expiratory Flow 25-75% (FEF 25- 75%) | Typical Value 4-5 L/second |
| Spirometry: Forced Expiratory Volume 1.0/Forced Vital Capacity Ratio (FEF 1.0/FVC) | Minimum Acceptable Value 70% |
| Spirometry: Maximum Voluntary Ventilation (MVV) | 170 L/minute |
| Spirometry: FEF50% / FIF50% Ratio | 0.8 - 1.2 |
| Lung Testing: Functional Residual Capacity (FRC) | Typical Value 2400 mL or 2.4 L |
| Lung Testing: Thoracic Gas Volume ( VTG) | Typical Value 2400 mL or 2.4 L |
| Lung Testing: Residual Volume (RV) | Typical Value 1200mL or 1.2L |
| Lung Testing : Total Lung Capacity (TLC) | Typical Value 6000 mL or 6.0 L |
| Lung Testing: RV/TLC Ratio | Typical Value 20 % |
| Lung Testing: Airway Resistance (Raw) | Typical Value 0.6 - 2.4 cmH2O/ L/ Second |
| Lung Testing: Airway Conductance (Gaw) | Typical Value 0.42 - 1.67 L/second/cmH2O |
| Lung Testing: Coefficient of Retraction (COR) | Typical Value 4 - 8 cmH2O/ L |
| Lung Testing: Maximum Static Recoil Pressure | Typical Value 24.4 - 34.5 cmH2O |
| Lung Testing: Compliance (C) | Typical Value CL -0.2 L/cmH2O CT - 0.2L/cmH2O CLT-0.1 L/cmH2O |
| Lung Testing: Maximum Inspiratory Pressure (MIP) | Typical Value - 60 cmH2O |
| Lung Testing: Maximum Expiratory Pressure (MEP) | Typical Value 80 - 100 cmH2O |
| Lung Testing: CO Diffusion Capacity (DLCO) | Typical Value 25 mL/CO/minute/mmHg STPD |
| Special Procedures: Alveolar Oxygen Tension (PAO2) | Normal Value varies directly with patients FiO2 & PB. |
| Special Procedures: A-a Gradient ( PAO2 - PaO2) | Normal Values varies directly wit patients FiO2 & PB. |
| Special Procedures: Arterial Oxygen Content (CaO2) | 17 - 20 % |
| Special Procedures: Mixed Venous Oxygen Content ( CVO2) | 12 - 16 % |
| Special Procedures: Arterial- Venous Oxygen Content Difference (C(a-v)O2) | 4 - 5 Vol % |
| Special Procedures: Cardiac Output (QT) | 4 - 8 L/ minute |
| Special Procedures: Shunt Equation (QS/QT) | 3 - 5 % |
| Special Procedures: Hemoglobin ( Hb) | 12-16 g/100 mL |
| Special Procedures: Hematocrit (Hct) | 36 - 48 % |
| Special Procedures: Deadspace to Tidal Volume Ratio (VD / VT) | 20 - 40 % |
| Arterial Blood Gases: PaCO2 | 40 torr Range: 35 - 45 torr |
| Arterial Blood Gases: PaO2 | 97 torr Range: 80 - 100 torr |
| Arterial Blood Gases: pH | 7.40 Range: 7.35 - 7.45 |
| Arterial Blood Gases: SaO2 | 98 % Range: 95 - 100 % |
| Arterial Blood Gases: HCO3 | 24 mEq/ L Range: 22 - 26 mEq/ L |
| Arterial Blood Gases: BE | 0 Range: -2 to +2 |
| Arterial Blood Gases: COHb | 0 - 2 % 5 - 10 % in patients who smoke |
| Arterial Blood Gases: P50 | 27 torr |
| Arterial Blood Gases: SPO2 | 93 - 97 % |
| Arterial Blood Gases: ETCO2 | 3 - 5 % |
| Arterial Blood Gases: PETCO2 | 30 torr |
| Exercise Testing: Power ( Watts) | 1 W = 6.12 kpm/minute |
| Exercise Testing: METs | 1 MET = 3.5 mL O2/ minute/ kg (at rest) |
| Exercise Testing: Borg Scale | Range 1 - 20 |
| Exercise Testing: Modified Borg Scale | Range 1 - 10 |
| Calculations: Minute Ventilation (VE) | 5 - 10 L/ minute ( at rest) 100 - 200 L/ minute ( during exercise) |
| Calculations: Frequency of Breathing or Respiratory Rate (f) | 8 - 12 breaths/ minute (at rest) |
| Calculations: Tidal Volume ( VT ) | 5 mL /kg Body Weight |
| Calculations: Oxygen Consumption or Oxygen Uptake ( VO2) | 0.25 L/minute (at rest) Up to 4 L minute ( during exercise) |
| Calculations: Carbon Dioxide Production (VCO2) | 0.2 L/minute (at rest) Up to 4 L minute ( during exercise) |
| Calculations: Respiratory Exchange Ratio ( RER ) | 0.85 ( at rest ) |
| Calculations: Ventilatory Equivalent for Oxygen ( VE/VO2 ) | 20 - 30 L/L of VO2 ( at rest and at low to moderate work loads) |
| Calculations: Ventilatory Equivalent for CO2 ( VE/ VCO2 ) | 25 -35 L/L of CO2 |
| Calculations: O2 Pulse | 2.5 - 4.0 mL O2/ beat (at rest) 10 - 15 mL O2/ beat (during exercise) |
| Calculations: Alveolar - Arterial Oxygen Tension ( PAO2 - PaO2 ) Alveolar - Arterial Oxygen Gradient ( P(A - a)O2 ) | 10 - 20 torr (at rest or while breathing room air) Less than 100 torr on 100 % O2 |
| Hemodynamic Measurements: Mean Arterial Pressure ( MAP ) | 93 mm Hg |
| Hemodynamic Measurements: Right Arterial Pressure or Central Venous Pressure ( CVP ) | 2 - 6 mm Hg 4 - 12 cm H2O |
| Hemodynamic Measurements: Pulmonary Artery Pressure ( PAP ) | 25/8 mm Hg 14 mm Hg (mean) |
| Hemodynamic Measurements: Pulmonary Capillary Wedge Pressure ( PCWP ) | 8 mmHg Range : 4 - 12 mm Hg |
| Hemodynamic Measurements: Cardiac Output QT | 4 - 8 L/minute Depends on body size |
| Hemodynamic Measurements: Cardiac Index ( CI ) | 2.5 - 4.0 Liters /minute /m2 |
| Hemodynamic Measurements: Systemic Vascular Resistance ( SVR ) | < 20 mmHg/ L/minute or 1600 Dynes/ second/ cm5 |
| Hemodynamic Measurements: Pulmonary Vascular Resistance ( PVR ) | < 2.5 mm Hg/ L/minute or 200 Dynes/second/cm5 |
| Quality Assurance: Back Extrapolation | < 5% or 150 mL ( Whichever is greater) |
Created by:
lepperson
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