Pulse detection method and apparatus using patient impedance
US8663121B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2010 |
| Grant date | Mar 4, 2014 |
| Priority date | — |
| Expiry date | Mar 18, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/36521
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The presence of a cardiac pulse in a patient is determined by evaluating fluctuations in an electrical signal that represents a measurement of the patient's transthoracic impedance. Impedance signal data obtained from the patient is analyzed for a feature indicative of the presence of a cardiac pulse. Whether a cardiac pulse is present in the patient is determined based on the feature in the impedance signal data. Electrocardiogram (ECG) data may also be obtained in time coordination with the impedance signal data. Various applications for the pulse detection of the invention include detection of PEA and prompting PEA-specific therapy, prompting defibrillation therapy and/or CPR, and prompting rescue breathing depending on detection of respiration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.