Human and Animal Protocols
BIOPAC offers a series of magnetic resonance imaging compatible electrodes, electrode leads, transducers, and stimulus options for safe data acquisition of physiological signals in the MRI environment. Specialized cable systems provide isolated and RF filtered interfacing between the subject/chamber panel and the control room.
Record physiological signals such as: Electrocardiogram (ECG), Electromyogram (EMG), Electroculogram (EOG), Electrogastrogram (EGG), Temperature, Respiration, Electrodermal Activity (EDA, EDR, SCL, SCR or GSR), Pulse, Hand Grip Strength (Dynamometry), Finger Twitch, and a variety of pressure based signals. For small animal cardiovascular and neuro studies, use the Micro Pressure Measurement System to record pressure signals such as BP, LVP, and cranial pressure. Microvascular blood perfusion can be measured with the Laser Doppler Flow System.
Generally considered, if the transducer is MRI-compatible, the signal can be recorded during an MRI scan. Transducer signals are typically high level and slow moving. These two features allow the transducer signal to be easily filtered to remove MRI artifact.
BIOPAC products available for use in the MRI with appropriate MRI Cable Systems (summary guide 
) include:
Biopotential amplifiers—Electrogastrogram: EGG100C, Electromyogram: EMG100C for integrated EMG, Electorocoulogram: EOG100C, Electrocardiogram: ECG100C
Transducer amplifiers & transducers—Electrodermal response: GSR100C + TSD203; Respiratory effort: RSP100C + TSD201; Skin temperature: SKT100C + TSD202 Series
Specialty modules— CO2 production: CO2100C; plus, if gas sampling: AFT30-XL + AFT21; O2 production: CO2100C; plus, if gas sampling: AFT30-XL + AFT21; Blood flow (laser Doppler): LDF100C + TSD147AL; Blood Pressure: MPMS100A + TSD170 series
Stimulus—Electrical stimulation: STM100C + INISO; Stimulus presentation: STP100W
Special electrodes & leads—These radiotranslucent electrodes and leads are non-magnetic and non-metallic and provide high quality signals without interfering with the MRI—they are highly recommended for measuring biopotentials in the MRI. Disposable electrodes: EL508. Reusable carbon fiber lead electrodes: EL254RT and EL258RT. Reusable leads: LEAD108 (1.8 m) or LEAD108A (3.6 m)
For more information on how to record specific physiological data in an MRI, see:
- tabs above: Advanced Features, Application Notes, Publications
- menu above left: Products > MRI > Cable Systems
- contact BIOPAC
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