| 摘要 |
Electrocardio-graphic (ECG) signals such as the standard 12-lead are synthesised from a novel reduced electrode set. Signals are received from a group of electrodes connected to predetermined locations on a human body, and deriving at least one further ECG signal using predetermined transformation(s) ( 130 ) on said first set of ECG signals. This forms a desired set of signals. The group of electrodes may comprise the standard 12 lead electrode sites V 2 and V 5 plus one electrode positioned substantially level with V 5 on the right anterior auxiliary line, and a further electrode on each of the right hand side and left hand side of the body. In an alternative arrangement the electrode position V 2 is replaced by an electrode position Vc on the sternum directly between the standard electrode sites V 1 and V 2 . Also disclosed is a method of improving accuracy of synthesised signals by detecting body posture and modifying the transformations. |
