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3874370 |
Electrocardiographic waveform analyzer
There is disclosed a system for reviewing ECG signals at high speed. Successive ECG waveforms are superimposed on each other in a display, but the rate at which traces of the waveforms are formed...
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3861387 |
CARDIAC ARRHYTHMIA DETECTOR
A selective circuit is provided for passing certain parts of, and information contained in, a complex input waveform containing both desired signals and undesired noise components. The circuit is...
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3832994 |
CARDIAC MONITOR
A cardiac monitor provides a real time analysis of critical cardiac functions. The cardiac monitor includes a first unit which, via a plurality of electrodes, is utilized to sense atrial and...
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3828768 |
METHOD AND APPARATUS FOR DETECTING CARDIAC ARRHYTHMIAS
A continuous electrical wave representing the electrical action of a patient's heart is produced (the ECG wave). Frequency components of the ECG wave that lie predominantly below the frequency...
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3824990 |
METHOD AND APPARATUS FOR PRODUCING SAMPLE ELECTROCARDIOGRAMS
An electronic instrument for medical use measures the time intervals between QRS complex portions of the electrical signal wave representing heartbeats. The intervals are quantized in digital form....
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3823708 |
TACHYCARDIA DETECTOR
A selective circuit is provided for passing only selected waveforms of a desired polarity from a complex input waveform. The circuit is particularly adapted for use in a heart ventricular...
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3809071 |
METHODS AND MEANS FOR THE DETECTION AND IDENTIFICATION OF LOW LEVEL COMPONENTS OF THE ELECTROCARDIOGRAM COMPLEX WITHOUT LOSS OF REFERENCE TO THE HIGHER LEVEL COMPONENTS
By this invention, and by the use of well known electronic circuitry, low level electric signals may be progressively amplified without loss of reference to other signals, with retention of strict...
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3807392 |
ELECTRO-CARDIOGRAPHIC PATIENT MONITORING AND MORPHOLOGY RECOGNITION METHOD
An electro-cardiographic patient monitoring and morphology recognition method utilizing a digital computer which is shared by eight patients. The ECG signal of each patient is sampled at...
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3805795 |
AUTOMATIC CARDIOVERTING CIRCUIT
Pulse generating apparatus which provides electrical heart-stimulating pulses only in the absence of normal heart activity. If the patient's heart has developed a life threatening arrhythmic...
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3779237 |
METHOD AND SYSTEM FOR AUTOMATIC PROCESSING OF PHYSIOLOGICAL INFORMATION IN GREATER THAN REAL TIME
A system and method is described whereby electrocardiograph signals are translated into digital data which represents certain cardiac events. This digital data controls an electrocardiogram...
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3755783 |
ARRANGEMENT FOR ANALYZING IRREGULARITIES IN REPETITIVE BIOLOGICAL PROCESSES
A biomedical analyzer detects the start and stop of different types of cardiac rhythm irregularities in a monitored patient and displays the results in real time. Each successive impulse...
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3724455 |
CARDIAC WARNING DEVICE
A method and apparatus for detecting and responding to herald signs in the cardiac waveform, such as a fast heartbeat rate, a low rate or a skipped heartbeat. In one embodiment the detection of a...
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3699946 |
WAVEFORM ABNORMALITY MONITOR
A portable, programmable electronic device for monitoring the heartbeat waveform of an ambulatory individual by sensing the difference between potentials from a pair of sensors attached to the...
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3677260 |
ARRHYTHMIA DETECTOR
This application relates to means for measuring and recording variations in frequency of repetitive events which may be subject to large changes in frequency and is particularly useful in...
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3672353 |
ECTOPIC HEARTBEAT DETECTOR
A critical ectopic beat detector for providing a warning that an ectopic beat is approaching a critical portion of a heartbeat including first circuit means for monitoring a heartbeat including...
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3654916 |
APPARATUS FOR MONITORING RECURRENT WAVEFORMS
An electrocardiogram waveform is monitored by superimposing the waveform complexes upon a stored waveform complex representative of a `normal` complex, using derived reference levels and timing...
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3633569 |
ARRHYTHMIA COUNTER
The cardiac generated wave from a patient is analyzed for an arrhythmia condition by measuring time intervals between the R peaks of the cardiac wave, comparing relative duration of successive time...
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3618593 |
METHOD OF AND A SYSTEM FOR THE AUTOMATIC ANALYSIS OF HEART DISTURBANCES
A device or system for automatically analyzing disturbances of heart rhythm and a method of such analysis wherein a sequence of cardiac waves, e.g. as generated by a transducer attached to the body...
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3602222 |
RATE METER, PARTICULARLY A BEAT-BY-BEAT CARDIOTACHOMETER
A ratemeter, particularly a cardiotachometer is provided having means for detecting, amplifying and transmitting only the R-waves of a patient's ECG. A pulse generator including a level detector is...
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3598110 |
VENTRICULAR ARRHYTHMIA DETECTION SYSTEM
A system is disclosed for detecting the occurrence of a premature ventricular contraction in a patient or in the signals provided by a training apparatus which generates signals representing a...
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3577983 |
METHOD AND APPARATUS FOR AUTOMATICALLY SCREENING VARIABLY RECURRENT WAVEFORMS SUCH AS AN ELECTROCAROIAC SIGNAL
A method and apparatus including logic circuitry and interval detectors for selectively gating and evaluating subportions in individual cycles of a variably recurrent wave such as an electrocardiac...
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3518983 |
ARRHYTHMIA DETECTOR AND METHOD OF OPERATION
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3495077 |
APPARATUS FOR DETERMINING THE TIME INTERVAL CORRELATION OF THE OCCURRENCE OF PULSES
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3463143 |
ECTOPIC BEAT DETECTOR
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3267934 |
Electrocardiac computer
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3236237 |
Ampoule applicator
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3215136 |
Electrocardiographic means
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3156235 |
Heart monitoring device
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3616791 |
Title is not available
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3616790 |
Title is not available
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