Electrical velocimetry (EV) is one of the latest adaptions of impedance cardiography showing diverging results. With electrode position being a suspected factor influencing measurement accuracy or reproducibility for impedance cardiography in general, no data is currently available on altering the gap of the two lower electrodes in EV. Reference values were determined using the non-invasive gold-standard cardiac magnetic resonance imaging (CMR).
Study Type
OBSERVATIONAL
Enrollment
92
University Hospital Mannheim
Mannheim, Germany
difference between CMR and EV cardiac output measurements
Time frame: 45 minutes
difference between two consecutive EV cardiac output measurements
Time frame: 5 minutes
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