Therapeutic method for a human subject
First Claim
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1. A therapeutic method comprising the steps of:
- (a) continuously measuring heartbeat and respiratory rates of a subject and converting the rates into respective heart sinusoidal and respiratory electrical signals;
b) selecting a sinusoidal reference signal with a first frequency lying in a frequency range of 0.01 to 0.14 Hz;
c) simultaneously displaying the reference and heart signals to the patientd) instructing the patient to modify the respiratory rate according to the sinusoidal reference signal;
e) spectrally analyzing the respiratory and heartbeat signals, thereby defining a phase shift therebetween;
f) controllably selecting another frequency of the displayed reference signal within said predetermined range thereby minimizing the phase shift obtained in step (e);
g) repeating steps (c) through (f) until the phase shift between the heart signal and the modified respiratory signal approaches "0" thereby determining an optimum breathing frequency corresponding to a resonance frequency wave characteristic unique for the patient'"'"'s cardiovascular system; and
i) training the patient to impose high-amplitude oscillations at said resonance frequency upon his heart rate.
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Abstract
A therapeutic method includes determining heartbeat and respiratory rates converted in respective electric signals of a subject, displaying the heart rate, spectrally analyzing the respiratory and heartbeat signals, thereby defining a phase shift therebetween, causing the subject to modify the respiratory rate in a sense tending to minimize the phase shift and selecting a frequency of the displayed reference signal which correlates with the modified respiratory signal, and establishing an optimum reference signal displayed as a resonance frequency unique for the subject upon approaching the zero phase shift between the heart signal and the modified respiratory signal.
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Citations
7 Claims
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1. A therapeutic method comprising the steps of:
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(a) continuously measuring heartbeat and respiratory rates of a subject and converting the rates into respective heart sinusoidal and respiratory electrical signals; b) selecting a sinusoidal reference signal with a first frequency lying in a frequency range of 0.01 to 0.14 Hz; c) simultaneously displaying the reference and heart signals to the patient d) instructing the patient to modify the respiratory rate according to the sinusoidal reference signal; e) spectrally analyzing the respiratory and heartbeat signals, thereby defining a phase shift therebetween; f) controllably selecting another frequency of the displayed reference signal within said predetermined range thereby minimizing the phase shift obtained in step (e); g) repeating steps (c) through (f) until the phase shift between the heart signal and the modified respiratory signal approaches "0" thereby determining an optimum breathing frequency corresponding to a resonance frequency wave characteristic unique for the patient'"'"'s cardiovascular system; and i) training the patient to impose high-amplitude oscillations at said resonance frequency upon his heart rate. - View Dependent Claims (2, 3)
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4. A method of training a patient to improve a physical state of the patient, comprising the steps of:
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(a) measuring heartbeat of the patient; (b) subjecting the heartbeat of the patient measured in step (a) to a Fourier analysis to determine a resonance frequency superimposed on the heartbeat and specific to the patient in a frequency range of 0.01 to 0.14 Hz; (c) monitoring of said resonance frequency while instructing the patient to breathe at faster and slower rates until a breathing rate of the patient matches said resonance frequency and a phase difference between the breathing rate and said resonance frequency is at a minimum; and (d) conditioning the patient to breathe at that rate which matches said resonance frequency and said phase difference is at said minimum. - View Dependent Claims (5, 6)
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7. An assembly for determining an optimal breathing frequency comprising:
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first means for registering a subjects'"'"'s current respiration rate and for converting the latter into a first electrical signal; second means for registering a current heartbeat of the subject and for converting the latter into a second electrical signal; monitor means operatively connected with said second means for displaying said second signal and a reference signal juxtaposed with said second signal and having a frequency arbitrarily selected from a predetermined frequency range; processing means for spectrally analyzing the first and second electrical signals and for generating a resulting signal corresponding to a phase shift therebetween; selecting means operatively connected with said processing and display means for selecting another frequency from the predetermined range of the displayed reference signal in response to said resulting signal, said other frequency being so selected as to gradually minimize said phase shift.
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Specification