Patent attributes
We disclose a portable wearable device for measuring electrocardiographic signals, the device comprising a first portion comprising at least two electrodes; a second portion comprising at least three electrodes; the first portion and the second portion being vertically spaced from one another; a controller configured to take: a first potential difference measurement using one of the electrodes of the first portion and one of the electrodes of the second portion; a second potential difference measurement using one other of the electrodes of the first portion and one other of the electrodes of the second portion; and a third potential difference measurement using one other of the electrodes of the first portion and one other of the electrodes of the second portion. The controller is configured to simultaneously take the first, second and third potential difference measurements at three independent positions of a user's body.