Evaluation of the mobiCARE™ ECG Monitoring System Electrode Placement Positioning Limits in a Prospective, Non-Randomized, Single-Center U.S. Study
The purpose of the Seers Technology Company Ltd. sponsored study using the mobiCARE™ ECG Monitoring System is to document the variability and interpretability of heart rhythm tracings from the nominal position whereby the mobiCARE™ device is still able to obtain interpretable ECG signals, in a cohort of adults representative of the U.S. population. Informational data will be collected, such as P-wave amplitude and QRS amplitude and duration to note any morphological ECG signal changes. Human factors (HF) endpoints will be evaluated including: HCP placement according to IFU, subject demonstration of changing electrodes, dexterity for user to perform the task, electrode placement according to skin markings, and the ability of the user to remove and replace the mobiCARE™ device.
Study Type
OBSERVATIONAL
Enrollment
49
Evaluation of the ECG signal in the nominal location and in three alternate positions to determine if the three alternate positions are interpretable.
MCB Clinical Research Centers, LLC
Colorado Springs, Colorado, United States
Number of Subjects in Which the ECG Signal is Interpretable at the Nominal Location and up to 3 Alternate Positions
Evaluation of the ECG signal at the nominal location and in up to three (3) additional alternate positions (AP) in each subject to determine if the signal is interpretable. The term "interpretable" is defined as follows: An independent cardiologist reader is able to identify the ECG rhythm in each location when compared to the ECG rhythm measured in the nominal position of the mobiCARE™ Cardiac Monitoring System described in the Instructions for Use. ECG rhythm data will be collected for up to two (2) minutes while the patient ambulates. ECG rhythm data were collected in each location during normal use for at least two (2) minutes while the subject was sitting, standing, and ambulating. The simultaneous Holter Monitor will be measured at the same time points to have a point of reference for the mobiCARE™ system in the case that changes in the rhythm are noted on the mobiCARE™ Cardiac Monitoring System during the study.
Time frame: 2 minutes while the patient ambulates
Presence of Artifact Graded
Presence of artifact graded as 1=none, 2=minor (cardiac rhythm is interpretable), or 3=major (cardiac rhythm is not interpretable by the independent cardiologist).
Time frame: 2 minutes
Evaluation of the ECG Morphology Measurements at the Nominal Position and up to 3 Alternate Positions
The number of measurable positions for QRS amplitude and QRS duration at the nominal position and up to 3 alternate positions.
Time frame: 2 Minutes
Human Factors Evaluation Measures
Usability Performance Evaluation for Health Care Professionals and Subjects
Time frame: 2 Minutes
The Number of Measurable Positions for P-waves
Informational data collected to evaluate interpretability based on P-wave amplitude
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Time frame: 2 minutes