Abstract:
A method of analyzing a physiological (e.g., an ECG) signal during application of chest compressions. The method includes acquiring a physiological signal during application of chest compressions; acquiring the output of a sensor from which information on the velocity of chest compressions can be determined; and using the information on the velocity to reduce at least one signal artifact in the physiological signal resulting from the chest compressions.
Abstract:
A medical ventilation monitoring system (100) includes a patient ventilation unit defining an airflow path, the unit arranged so that when the unit is applied to a patient, the airflow path is in fluid communication with the patient's airway; an airflow sensor (106) in the air flow path positioned to sense the presence of ventilation airflow to or from the patient; and a wireless transceiver arranged to receive data that is generated by a portable medical device, and to use the data to provide feedback to a rescuer regarding proper administration of ventilation.
Abstract:
A method of automatically determining which type of treatment is most appropriate for a patient, the method comprising transforming one or more time domain measurements from the patient into frequency domain data representative of the frequency content of the time domain measurements, processing the frequency domain data to form a plurality of spectral bands, the content of a spectral band representing the frequency content of the measurements within a frequency band, forming a weighted sum of the content of the spectral bands, with different weighting coefficients applied to at least some of the spectral bands, determining the type of treatment based on the weighted sum.
Abstract:
A medical ventilation monitoring system includes a patient ventilation unit defining an airflow path, the unit arranged so that when the unit is applied to a patient, the airflow path is in fluid communication with the patient's airway; an airflow sensor in the air flow path positioned to sense the presence of ventilation airflow to or from the patient; and a wireless transceiver arranged to receive data that is generated by a portable medical device, and to use the data to provide feedback to a rescuer regarding proper administration of ventilation.
Abstract:
Systems and methods related to the field of cardiac resuscitation, and in particular to devices for assisting rescuers in performing cardio-pulmonary resuscitation (CPR).
Abstract:
A defibrillation electrode for application to the front of the chest of a patient, the electrode comprising a metallic layer, a conductive liquid-containing layer in contact with the metallic layer and configured to contact the skin of the patient, an adhesive layer surrounding the conductive liquid-containing layer and having a layer of adhesive configured to adhere the electrode to the patient, a release layer configured to be removed from the electrode prior to application to the patient, the release layer being in contact with the adhesive and the conductive liquid-containing layer prior to removal, wherein the electrode has a lateral perimeter at or laterally outside of the adhesive layer, and wherein the lateral perimeter is generally triangular.
Abstract:
A defibrillation electrode (30) for application to the front of the chest of a patient, the electrode comprising a metallic layer (42), a conductive liquid-containing layer (40) in contact with the metallic layer and configured to contact the skin of the patient, an adhesive layer (44) surrounding the conductive liquid-containing layer and having a layer of adhesive configured to adhere the electrode to the patient, a release layer (50) configured to be removed from the electrode prior to application to the patient, the release layer being in contact with the adhesive and the conductive liquid-containing layer prior to removal, wherein the electrode has a lateral perimeter at or laterally outside of the adhesive layer, and wherein the lateral perimeter is generally triangular.
Abstract:
A device (10) for assisting a rescuer in delivering therapy to an adult or pediatric patient, the device including a user interface (21) comprising a display (23) and/or audio speakers (24), the user interface (21) being configured to deliver prompts to a rescuer to assist the rescuer in delivering therapy to a patient; a processor (20) configured to provide prompts to the user interface (21) and to perform an ECG analysis algorithm on ECG information detected from the patient; at least one detection element (253) configured to determine without rescuer input via the user interface that a pediatric patient is being treated; wherein, if a pediatric patient is detected, the processor modifies the ECG analysis algorithm or the prompts provided to the user interface to use an ECG analysis algorithm or prompts adapted for a pediatric patient rather than for an adult patient.
Abstract:
An external defibrillator (10) for delivering a defibrillation waveform to a patient. The defibrillator includes chest electrodes (16, 18) for detecting at least one ECG signal on the patient and for delivering the defibrillation waveform to the patient, a defibrillation circuit for shaping and delivering the defibrillation waveform, a pulse sensor (22) for detecting the presence of a cardiac pulse in the patient, wherein the pulse sensor has a pulse signal as its output, and memory and processing circuits for analyzing the pulse signal in conjunction with the ECG signal to determine whether the patient has a pulse.
Abstract:
An external defibrillator for delivering a defibrillation waveform to a patient. The defibrillator includes chest electrodes for detecting at least one ECG signal on the patient and for delivering the defibrillation waveform to the patient, a defibrillation circuit for shaping and delivering the defibrillation waveform, a pulse sensor for detecting the presence of a cardiac pulse in the patient, wherein the pulse sensor has a pulse signal as its output, and memory and processing circuits for analyzing the pulse signal in conjunction with the ECG signal to determine whether the patient has a pulse.