Medical and Physiological Parameters

Ballisticsrdiography (BCG)

Principal measurement range of parameter:

• 0-7mg

• 0-100 um

Signal frequency range (Hz)

• dc-40

• dc-40

Standard sensor of method

• Accelerometer, strain gage

• Displacement linear variable differential transformer (LVDT)

Bladder pressure

Principal measurement range of parameter:

• 1-100 cm H2O

Signal frequency range (Hz)

• dc-10

Standard sensor of method

• Strain gage manometer

Blood flow

Principal measurement range of parameter:

• 1-300 ml/s

Signal frequency range (Hz)

• dc-20

Standard sensor of method

• Flowmeter (electromagnetic or ultrasonic)

Direct arterial blood pressure

Principal measurement range of parameter:

• 10-400mm Hg

Signal frequency range (Hz)

• dc-50

Standard sensor of method

• strain-gage manometer

Indirect arterial blood pressure

Principal measurement range of parameter:

• 25-400 mm Hg

Signal frequency range (Hz)

• dc-60

Standard sensor of method

• cuff, auscultation

Blood pressure, venous

Principal measurement range of parameter:

• 0-50 mm Hg

Signal frequency range (Hz)

• dc-50

Standard sensor of method

• strain gage

Blood gas PO2

Principal measurement range of parameter:

• 30-100 mm Hg

Signal frequency range (Hz)

• dc-2

Standard sensor of method

• specific electrode, volumetric or manometric

Blood gas PCO2

Principal measurement range of parameter:

• 40-100 mm Hg

Signal frequency range (Hz)

• dc-2

Standard sensor of method

• specific electrode, volumetric or manometric

Blood gas PN2

Principal measurement range of parameter:

• 1-3mm Hg

Signal frequency range (Hz)

• dc-2

Standard sensor of method

• specific electrode, volumetric or manometric

Blood gas PCO

Principal measurement range of parameter:

• 0.1-0.4 mm Hg

Signal frequency range (Hz)

• dc-2

Standard sensor of method

• specific electrode, volumetric or manometric

Blood pH

Principal measurement range of parameter:

• 6.8-7.8 pH

Signal frequency range (Hz)

• dc-2

Standard sensor of method

• specific electrode

Cardiac output

Principal measurement range of parameter:

• 4-25 liter/min

Signal frequency range (Hz)

• dc-20

Standard sensor of method

• dye dilution, fick

Electrocardiography (ECG)

Principal measurement range of parameter:

• 0.5-4 mV

Signal frequency range (Hz)

• 0.01-250

Standard sensor of method

• skin electrodes

Electroencephalography (EEG)

Principal measurement range of parameter:

• 5-300 micro V

Signal frequency range (Hz)

• dc-150

Standard sensor of method

• scalp electrodes

Electrocorticigraphy and brain depth

Principal measurement range of parameter:

• 10-5000 micro V

Signal frequency range (Hz)

• dc-150

Standard sensor of method

• brain surface or depth electrodes

Electrogastrography

Principal measurement range of parameter:

• 10-1000 micro V

• 0.5-80 mV

Signal frequency range (Hz)

• dc-1

• dc-1

Standard sensor of method

• skin surface electrodes

• stomach surface electrodes

Electromyography (EMG)

Principal measurement range of parameter:

• 0.1-5 mV

Signal frequency range (Hz)

• dc-10,000

Standard sensor of method

• needle electrodes

Electro-oculogram (EOG)

Principal measurement range of parameter:

• 50-3500 micro V

Signal frequency range (Hz)

• dc-50

Standard sensor of method

• contact electrodes

Electroretinogram (ERG)

Principal measurement range of parameter:

• 0-900 micro V

Signal frequency range (Hz)

• dc-50

Standard sensor of method

• contact electrodes

Galvanic skin response (GSR)

Principal measurement range of parameter:

• 1-500 k ohms

Signal frequency range (Hz)

• 0.01-1

Standard sensor of method

• skin electrodes

Gastric pH

Principal measurement range of parameter:

• 3-13 pH units

Signal frequency range (Hz)

• dc-1

Standard sensor of method

• pH electrode antimony electrode

gastrointestinal pressure

Principal measurement range of parameter:

• 0-100 cm H2O

Signal frequency range (Hz)

• dc-10

Standard sensor of method

• strain-gage manometer

gastrointestinal forces

Principal measurement range of parameter:

• 1-50g

Signal frequency range (Hz)

• dc-1

Standard sensor of method

• displacement system, LVDT

nerve potentials

Principal measurement range of parameter:

• 0.01-3mV

Signal frequency range (Hz)

• dc-10,000

Standard sensor of method

• surface or needle electrodes

phonocardiography

Principal measurement range of parameter:

• dynamic range 8- dB, threshold about 100 microPa

Signal frequency range (Hz)

• 5-2000

Standard sensor of method

• microphone

plethysmography (volume change)

Principal measurement range of parameter:

• varies w organ

Signal frequency range (Hz)

• dc-30

Standard sensor of method

• displacement chamber or impedance change

circulatory

Principal measurement range of parameter:

• 0-30 ml

Signal frequency range (Hz)

• dc-30

Standard sensor of method

• displacement chamber or impedance change

Respiratory functions Pneumotachograph (flow rate)

Principal measurement range of parameter:

• 0-600 liter/min

Signal frequency range (Hz)

• dc-40

Standard sensor of method

• pneumotachograph head and differential pressure

Respiratory rate

Principal measurement range of parameter:

• 2-50 breaths/min

Signal frequency range (Hz)

• 0.1-10

Standard sensor of method

• strain gage on chest, impedance, nasal thermistor

Tidal volume

Principal measurement range of parameter:

• 50-1000ml/breath

Signal frequency range (Hz)

• 0.1-10

Temp of body

Principal measurement range of parameter:

•32-40 C

• 90-104 F

Signal frequency range (Hz)

• dc-0.1

Standard sensor of method

• themistor

• thermocouple