Electrocardiographic method and apparatus based on bipolar, non-vectorial, truncal leads or real unipolar leads

摘要

The present invention consists of a modification and a new method of today's art 12 lead resting electrocardiogram The modifications include: Elimination of connecting means to record today's art Leads; connecting means to connect a common positive electrode, placed on the left leg, to all the positive terminals of the electrocardiographic amplifiers; connecting means to connect the negative electrodes, placed on the chest to the negative terminals of each individual electrocardiographic amplifier; reporting the results of the electrocardiogram including all the digital data sets obtained and calculated by the electrocardiograph in a disk, and a remote safe Data Bank for easy retrieval. A method of reprograming the electrocardiograph calculator to calculate the second derivative of the maximal and minimal values of each structure of the myocardium at specific instants of the electrocardiographic trace calculate the value generated by the left leg and the values generated by each negative electrode.

主权项

1. A modified electrocardiograph configured to record electrical activity of specific myocardial structures of a patient, the electrocardiograph comprising:
a Common Positive Electrode that is adapted to be placed on an extremity of a patient, wherein the Common Positive Electrode is connected to a Common Positive Terminal; a plurality of amplifiers (1, 2, to n), n=15-100, wherein a positive terminal of each of the plurality of amplifiers is connected to the Common Positive Terminal and wherein a negative terminal of each of the plurality of amplifiers is connected to a corresponding Exploring Negative Electrode (1, 2, to n) that is adapted to be placed on a torso of the patient; a plurality of A/D converters (1, 2, to n), n=15-100, each connected to a respective one of said plurality of amplifiers, wherein said plurality of A/D convertors are connected to a microprocessor of the modified electrocardiograph, said microprocessor comprising: a first stage configured to receive signals from each of said Exploring Negative Electrodes and said Common Positive Electrode and is further configured to filter the received signals, thereby creating n-filtered digital data sets; a second stage comprising a programmed analyzer configured to select and pair minimum and maximal values of the n-filtered digital data sets at specific instants of an electrocardiographic trace and a calculator configured to subtract the minimum value from the maximal value of each pair of minimum and maximal values for each specific instant of the electrocardiographic trace to create a digital data set of differences; a third stage comprising a programmed analyzer configured to compare the n-filtered digital data sets from the first stage with the digital data set of differences from the second stage to create a digital data set of approximate values; and a fourth stage comprising a programmed calculator and data analyzer configured to add the digital data set of approximate values generated by the third stage to the n-filtered digital data sets from the first stage.