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7578793 |
Sleep staging based on cardio-respiratory signals
A method for diagnosis of a sleep-related condition of a patient having a thorax. The method includes receiving physiological signals from sensors coupled to the thorax of the patient, and...
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7574255 |
Criteria for monitoring intrathoracic impedance
An exemplary method includes providing information (e.g., a left atrial pressure, a NYHA class, echocardiographic information, etc.), based at least in part on the information, determining a weight...
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7572225 |
Sleep logbook
An approach to collecting and organizing information associated with events affecting sleep is presented. The sleep logbook system may acquire information associated with the sleep during periods...
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7499862 |
System and method for accessing and annotating electronic medical records using a multi-modal interface
A system and method of exchanging medical information between a user and a computer device is disclosed. The computer device can receive user input in one of a plurality of types of user input...
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7488293 |
Processing pulse signal in conjunction with accelerometer signal in cardiac resuscitation
A cardiac resuscitation device that includes a pulse sensor configured to detect pulse information characterizing the cardiac pulse in the patient, an accelerometer configured to detect chest...
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7467012 |
Respiration parameters controlled by heart rate
Heart rate information is used at least in part to obtain one or more parameters for inducing respiration. In various implementations, respiratory parameters, such as a target breathing rate or a...
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7465273 |
Method for monitoring pre-eclamptic patients
A system and method for monitoring and estimating the blood pressure of a pregnant patient that modifies the blood pressure estimating algorithm when the patient is pre-eclamptic. The level of...
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7440795 |
Detecting sleep disorders using an active implantable medical device
An active medical device, in particular an implantable device such as a cardiac pacemaker, defibrillator, cardioverter, or multisite device, including a function for determining sleep disorders....
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7438686 |
Apparatus and method for monitoring for disordered breathing
The present invention relates to a device and method for monitoring for sleep disordered breathing or other types of disordered breathing such as Cheyne-Stokes breathing. More specifically, a...
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7435221 |
System and method for detecting abnormal respiration based on intracardiac electrogram signals using a pattern recognition device
Techniques are provided for detecting abnormal respiration within a patient based upon intracardiac electrogram (IEGM) signals or other electrical cardiac signals. Briefly, abnormal respiration is...
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7426412 |
Evoked potential and impedance based determination of diaphragmatic stimulation
A system and method are described for automatically detecting diaphragmatic stimulation (DS) based on evoked response signals, electrogram data and/or thoracic impedance measurements. In addition,...
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7413549 |
Detecting and quantifying apnea using ventilatory cycle histograms
Subject matter includes methods and devices for detecting and quantifying apnea. One exemplary implementation includes deriving a ventilation related parameter in real-time from a patient, deriving...
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7404799 |
System and method for detection of respiration patterns via integration of intracardiac electrogram signals
Techniques are provided for tracking patient respiration based upon intracardiac electrogram signals or other electrical cardiac signals. Briefly, respiration patterns are detected by integrating...
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7398115 |
Pulse oximetry relational alarm system for early recognition of instability and catastrophic occurrences
A relational pulse oximetry alarm system and method is presented for earlier identification of the occurrence of an adverse clinical event. The system includes a pulse oximeter based microprocessor...
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7390304 |
Respiratory exchange ratio sensor
A device for directly measuring a person's respiratory exchange ratio (RER) utilizes a Zn-air battery cell and a constant current load circuit as an O 2 pump capable of drawing oxygen from expired...
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7367954 |
Method and apparatus for determining cardiac output
A method and apparatus for use in determining the cardiac output. The method includes measuring a first parameter indicative of a patient's oxygen uptake and a second parameter indicative of the...
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7364547 |
Use of external respiratory therapy device to detect cardiac electrical activity
Methods and systems provide an integrated approach to respiratory and cardiac monitoring, diagnosis and/or therapy. A medical system includes one or more cardiac electrodes coupled to an external...
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7344503 |
System and method for monitoring pre-eclamptic patients
A system and method for monitoring and estimating the blood pressure of a pregnant patient that modifies the blood pressure estimating algorithm when the patient is pre-eclamptic. The level of...
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7311668 |
Stress test devices and methods
One method for diagnosing a cardiovascular-related condition in a breathing person comprises interfacing a valve system to the person's airway. The valve system is configured to decrease or prevent...
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7311658 |
Method and system providing a fundamental musical interval for heart rate variability synchronization
A broad method consisting of the composition and creation of music wherein musical cues are contained for the purpose of synchronizing the breathing cycle with a 5.88 second musical interval for...
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7309314 |
Method for predicting apnea-hypopnea index from overnight pulse oximetry readings
The present invention provides a predictive tool for predicting Apopnea Hypopnea Index (AHI) in the diagnosis of Obstructive sleep apnea (OSA). The predictive tool is developed by recording pulse...
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7304580 |
Intelligent medical vigilance system
An intelligent medical vigilance system that observes and analyzes, and, only in the event of a clinically significant negative condition, notifies and reports the event to the care staff utilizing...
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7302295 |
Method and apparatus for mimicking respiratory sinus arrhythmia with cardiac pacing controlled via external respiration therapy device
Methods and systems involve adjusting cardiac pacing based on information acquired via a respiratory therapy device. A medical system includes a respiratory therapy device having one or more...
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7258670 |
System and method for diagnosing and monitoring respiratory insufficiency for automated remote patient care
A system for diagnosing and monitoring respiratory insufficiency for automated remote patient care is presented. A database stores monitoring sets containing recorded measures relating to patient...
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7225021 |
Differentiation of central sleep apnea and obstructive sleep apnea using an implantable cardiac device
An implantable cardiac device is programmed to differentiate between central sleep apnea and obstructive sleep apnea. The implantable cardiac device utilizes a respiration-related parameter (e.g.,...
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7209780 |
System and a computer program for the determination of quantities relating to the circulatory system of a patient
A system for the determination of quantifies relating to the circulatory system of a patient including a device for the non-invasive measurement of the qualitative variation over time of the local...
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7207945 |
System and method for providing diagnosis and monitoring of respiratory insufficiency for use in automated patient care
An automated system and method for diagnosing and monitoring respiratory insufficiency and outcomes thereof is described. A plurality of monitoring sets is retrieved from a database. Each of the...
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7186220 |
Implantable devices and methods using frequency-domain analysis of thoracic signal
This document describes, among other things, systems, devices, and methods that use frequency domain analysis of a thoracic signal. One example uses frequency domain analysis for discriminating...
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7184817 |
System and method for acquiring breathing pattern signals from intracardiac electrograms and its use for heart failure therapy decision making and disease monitoring
An ICD processing system for acquiring breathing pattern signals from intracardiac electrograms obtained from implantable cardiac devices. The system may include both an implantable ICD device and...
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7169110 |
Apparatus and method for diagnosing sleep apnea
An apparatus for diagnosing sleep apnea, which detects a temporary cessation of breathing during sleep by applying light to a part of a subject's body and processing light output therefrom,...
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7160252 |
Method and apparatus for detecting respiratory disturbances
A system and method for monitoring respiration including sensing a signal that varies with respiration, deriving a respiration parameter, applying criteria for detecting a respiration disturbance...
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7131950 |
System and method for noise reduction in thermodilution for cardiac measurement
A system and method for artifact reduction in thermodilution for cardiac measurement is provided by both respiration artifacts and noise artifacts are reduced. The system and method detects the...
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7130687 |
Implantable medical device and method for delivering therapy for sleep-disordered breathing
An implantable medical device delivers augmentation therapy to intervene in a pattern of sleep-disordered breathing. Augmentation therapy includes the delivery of electrical stimulation to cardiac...
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7113100 |
Vehicle tiredness alleviating system
A vehicle tiredness alleviating system provided with at least one of a vehicle air-conditioning system for controlling a temperature in a passenger compartment, a seat heating system for heating...
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7104959 |
Apparatus and method for analyzing heart-rate variability based on electrocardiogram information
A heart-rate variability analysis apparatus comprises an electrocardiogram information detecting unit, heart-rate signal calculating unit, breathing signal calculating unit, and...
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7088250 |
Apparatus and method for estimating fatigue level
A fatigue-level estimation apparatus is provided. The apparatus comprises a heat rate calculator and a fatigue level estimator. The heart rate calculator receives a signal indicative of a heartbeat...
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7079036 |
Method and apparatus for alarm volume control using pulse width modulation
There is provided herein a first preferred arrangement of the instant invention, wherein an electronic patient monitor utilizes a computer CPU as an alarm signal generator, which CPU is preferably...
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7075537 |
Apparatus for measuring a biological parameter equipped with a graphic representation display
The invention concerns an apparatus for measuring a biological parameter of an individual comprising measuring means, means for storing and/or for computing values of said parameter connected to a...
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7070569 |
Non-invasive determination of conditions in the circulatory system of a subject
A method for non-invasively determining functional cardiac output (FCO) and/or venous blood CO 2 partial pressure (PvCO 2 ). The amount of CO 2 (VCO 2 N ) released from the blood and end...
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7001337 |
Monitoring physiological parameters based on variations in a photoplethysmographic signal
A method and apparatus are disclosed for using photoplethysmography to obtain physiological parameter information related to respiration rate, heart rate, heart rate variability, blood volume...
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6986349 |
Systems and methods for enhancing blood circulation
A method for increasing circulation in a breathing person utilizes a valve system that is interfaced to the person's airway and is configured to decrease or prevent respiratory gas flow to the...
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6976963 |
Apparatus and method for precision vital signs determination
Apparatus and techniques are provided for precise measuring and monitoring of certain vital signs of patients that have been difficult to measure especially in emergency situations. Sensor may be...
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6945248 |
Determination of leak and respiratory airflow
Methods and apparatus for determining leak and respiratory airflow are disclosed. A pressure sensor ( 34 ) and a differential pressure sensor ( 32 ) have connection with a pneumotach ( 24 ) to...
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6882964 |
High accuracy inertial sensors from inexpensive components
An analytical apparatus for optimally combining measurements from N individual rate sensing devices or gyros into a single rate estimate significantly improves performance over that of any...
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6881192 |
Measurement of sleep apnea duration and evaluation of response therapies using duration metrics
An implantable cardiac device is programmed to detect an episode of sleep apnea, measure the duration of the episode, and store this information in memory. When multiple episodes are recorded, the...
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6856829 |
Method for detecting physiological condition of sleeping patient based on analysis of pulse waves
A physiological condition detecting method detects pulse waves from the body of a patient, and creates the envelope of the pulse waves by connecting every peak of the pulse waves. It determines...
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6821254 |
Cardiac/respiratory arrest detector
The condition of a patient who has signs of cardiopulmonary arrest, is evaluated by applying a pair of electrodes ( 12, 14 ) to the chest of the patient and passing a low level of alternating...
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6760608 |
Oximetry system for detecting ventilation instability
A system for detecting ventilation instability includes a pulse oximeter for generating a time series of oxygen saturation values and a processor programmed to detect the occurrence of patterns...
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6748252 |
System and method for automatic detection and indication of airway instability
A system for automatically detecting and indicating the presence of clinically significant airway instability comprises a patient monitor such as a pulse oximeter for generating a time series of...
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6702752 |
Monitoring respiration based on plethysmographic heart rate signal
A pleth signal is analyzed to identify a heart rate variability parameter associated with respiration rate. In one embodiment, an associated process involves obtaining a photoplethysmograpic...
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