NewCardio Inc.

Santa Clara, CA, United States

NewCardio Inc.

Santa Clara, CA, United States
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Bjerregaard P.,Washington University in St. Louis | Nallapaneni H.,St Louis University Hospital | Gussak I.,NewCardio Inc.
Journal of Electrocardiology | Year: 2010

The last ten years have seen a growing interest in clinical scenarios, where a short QT interval may play a role, especially because of an increased risk of sudden cardiac death in some situations. One such entity is Short QT Syndrome, which has emerged as a rare, but very malignant disease, in particular when the QT interval is very short. A short QT interval has also been noticed in some patients with other arrhythmic syndromes such as Idiopathic Ventricular Fibrillation, Brugade Syndrome and Early Repolarization Syndrome, but the role of a short QT interval in these settings is so far not known. Hypercalcemia often leads to shortening of the QT interval, but there are no data in humans to suggest an increased risk of sudden cardiac death in this setting. In addition, a shorterthan-usual QT interval has been reported in patients with Chronic Fatigue Syndrome and in response to atropine, catecholamine and Hyperthermia. When a short QT interval is encountered in daily clinical practice, these various scenarios needs to be considered, but it is still not possible to come up with clear guidelines for how to work up and risk stratify such individuals. Genetic testing is only useful in very few and the value of an electrophysiologic study, Holter monitoring or stress testing to assess QT adaptation to heart rate and T wave morphology analysis may all be helpful, but not well-established, tests in this setting. Published by Elsevier Inc.


The analysis of ECG (electrocardiogram) data by exploiting computerized three-dimensional spatial presentation of the measured data using the vector concept. A three-dimensional presentation of the human heart may be correlated with waveforms specific for standard ECG or derived ECG signals based on the dipole approximation of the heart electrical activity. The three-dimensional heart model may be rotated, and the ECG signals are interactively linked to the model. Cardiac ischemia (inadequate blood supply) is detected by calculating an ECG ST-segment vector magnitude or an ST-T spatial angle change of a heart vector from the heart model and comparing these to respective predetermined ischemia criteria, using actual or virtual ECG lead sites.


Method and apparatus for computer enabled analysis of ECG (electro cardiographic) data by exploiting computerized three-dimensional spatial presentation of the measured data using vectors. A three-dimensional presentation of the human heart may be correlated with waveforms specific for standard ECG or derived ECG signals based on the dipole approximation of the heart electrical activity. Additional tools for analyzing ECG data are also provided which may be used to determine the time of cardiac electrical events, to select specific beats for automated cardiac interval determination, and to flag ECGs that have been evaluated by automated means but may benefit by human reading.


Systems and methods for characterizing aspects of an electrocardiogram signal are presented, wherein data quality and stability analysis paradigms are utilized to determine the timing certain cardiac electronic events with precision. In one embodiment, confidence factor calculation may be utilized to filter out nonusable ECG signals to leave a usable beat dataset, and this usable beat dataset may be utilized with moving window stability analysis to determine data most suitable extracted from a larger set to represent such larger set. The system may comprise a processor or microcontroller embedded into another system such as an electrocardiogram hardware system, personal computer, electrophysiology system, or the like.


A method for determining the presence of atrial fibrillation includes obtaining data from at least three orthogonal leads indicative of electrical activity of a heart over multiple heart beats, averaging the data to obtain an average heart beat, generating, from the averaged data, an average heart beat vectorcardiogram (VCG) that is a function of voltage level, comparing, over a segment of the average heart beat, the average heart beat VCG with a threshold value, and indicating whether the average heart beat VCG exceeds or does not exceed the threshold value.


Trademark
NewCardio Inc. | Date: 2010-11-12

Software for use with medical detection and diagnosis devices, namely, in the field of electrocardiography (ECG).


Trademark
NewCardio Inc. | Date: 2010-11-12

Software for use with medical detection and diagnosis devices, namely, for use with electrocardiography (ECG) devices. Medical devices, namely, wireless, wired and mobile transtelephonic electrocardiography (ECG) monitors for use in acquisition, capture and transmission of patient medical data; and medical devices in the nature of diagnostic centers, namely, computerized medical recording and analysis apparatus for the diagnosis and treatment of cardiac conditions.


Trademark
NewCardio Inc. | Date: 2011-03-08

Software for use with medical detection and diagnosis devices, namely, in the field of electrocardiography (ECG). Medical devices, in the nature of recording and transmitting devices, namely, wireless, wired, mobile transtelephonic electrocardiography (ECG) monitors for use in acquisition capture and transmission of patient medical data. Maintenance and repair of medical devices. Training in the use of medical devices and software. Installation, maintenance and repair of computer software.


Trademark
NewCardio Inc. | Date: 2011-02-08

Software for use with medical detection and diagnosis devices, namely, in the field of electrocardiography (ECG). Medical devices, in the nature of recording and transmitting devices, namely, wireless, wired, mobile transtelephonic electrocardiography (ECG) monitors for use in acquisition capture and transmission of patient medical data. Maintenance and repair of medical devices. Training in the use of medical devices and software. Installation, maintenance and repair of computer software.


Trademark
NewCardio Inc. | Date: 2010-12-21

Software for use with medical detection and diagnosis devices, namely, in the field of electrocardiography (ECG).

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