Method and apparatus for sensing and analyzing electrical activi

Details Method and apparatus for sensing and analyzing electrical activi Method and apparatus for sensing and analyzing electrical activi

Filed on

1987-07-22

Date issued

1989-07-25

Examiner

Kamm, William E.

Patent Class

Surgery

SubClass

Truss

SubSubClass

Pad

Other Related Categories

A61B 504

Type

Patent

Status

active

Patent number

048503703

Description

ABSTRACT:
A method of sensing and analyzing electrical activity of the human heart comprises the sensing of voltage signals generated by the heart between four electrodes located at key positions on the surface of a subject's body. Signal processing means combines and scales the voltage signals to produce xyz vectorcardiographic signals, electrocardiographic signals corresponding to the lead signals of a 12-lead electrocardiograph, or both.

REFERENCES:
patent: 3991747 (1976-11-01), Stanly et al.
patent: 4106495 (1978-08-01), Kennedy
patent: 4478223 (1984-10-01), Allor
patent: 4569357 (1986-02-01), Sanz et al.
Frank, E.-"An Accurate, Clinically Practical System for Spatial Vectorcardiography"-Circulation, vol. XIII, pp. 737-749, May, 1956.
Dower, G. E., et al.-"On Deriving the Electrocardiogram from Vectorcardiographic Leads", Clinical Cardiology, vol. 3, pp. 87-95, 1980.
Dower, G. E. et al.-"A Clinical Comparison of Three VCG Lead Systems Using Resistance-Combining Networks" American Heart Journal vol. 55, No. 44, pp. 523-534, Apr. 1958.
Dower, G. E.-"A Lead Synthesizer for the Frank System to Simulate the Standard 12-Lead Electrocardiogram" Journal of Electrocardiology, vol. 1, No. 1, pp. 101-116, 1968.
Dower, G. E. et al.-"XYZ Data Interpreted by a 12-Lead Computer Program Using the Derived Electrocardiogram" Journal of Electrocardiology, vol. 12, No. 3, pp. 249-261, 1979.
Dower, G. E.-"The ECGD: A Derivation of the ECG from VCG Leads" Journal of Electrocardiology, vol. 17, No. 2, pp. 189-192, 1984.

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