
Solutions
SpO2
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Case 10For Better SpO2 Monitoring - Response
When monitoring continuously, the SpO2 value is often affected by the patient’s condition, artifacts created by external devices or by inappropriate attachment of probes.
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Nihon Kohden’s monitor has several features for better SpO2 measurement. Let us introduce one of the features here: Response.
For the other three features, please see each of the following pages. Signal Quality Index, Pulse-amplitude Index, and Sensitivity Mode. -
Case 9For Better SpO2 Monitoring - Sensitivity Mode
When monitoring continuously, the SpO2 value is often affected by the patient’s condition, artifacts created by external devices or by inappropriate attachment of probes.
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Nihon Kohden’s monitor has several features for better SpO2 measurement. Let us introduce one of the features here: Sensitivity Mode.
For the other three features, please see each of the following pages. Signal Quality Index, Pulse-amplitude Index, and Response. -
Case 8For Better SpO2 Monitoring - PI (Pulse-amplitude Index)
When monitoring continuously, the SpO2 value is often affected by the patient’s condition, artifacts created by external devices or by inappropriate attachment of probes.
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Nihon Kohden’s monitor has several features for better SpO2 measurement. Let us introduce one of the features here: PI (Pulse-amplitude Index).
For the other three features, please see each of the following pages. Signal Quality Index, Sensitivity Mode, and Response. -
Case 7For Better SpO2 Monitoring - SQI (Signal Quality Index)
When monitoring continuously, the SpO2 value is often affected by the patient’s condition, artifacts created by external devices or by inappropriate attachment of probes.
Read More
Nihon Kohden’s monitor has several features for better SpO2 measurement. Let us introduce one of the features here: SQI (Signal Quality Index).
For the other three features, please see each of the following pages. Pulse-amplitude Index, Sensitivity Mode, and Response. -
Case 6Where is the optimum measurement site of SpO2 for PICU/NICU patients?
Our brochures and operation manuals recommend using the body weight of the patient as a yardstick when selecting an SpO2 probe. We also state that the ideal thickness of the measurement site is 6 to 18 mm in Case 2. Nonetheless, there are cases where it is difficult to stably measure an accurate SpO2 value, especially for neonates and infants.
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Case 5Reports and Documents -accuracy and performance-
Is there any official document or evidence evaluating the accuracy and the performance of Nihon Kohden probes?
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Case 4Periodical Check of the Probe Attachment Site and Repositioning
How frequent should the probe attachment site and repositioning be checked?
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Case 3What to do when SpO2 cannot be measured accurately
There are some cases where it is difficult to measure SpO2, such as with restless patients due to body movement. In order to obtain accurate and stable SpO2 measurements, the probe should be attached in the correct position.
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Case 2Selecting an Appropriate Probe Attachment Site
How should we select the measurement site? How about for Infants and Neonates?
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Where should we attach the probe for patients where it is difficult to measure on their fingers or toes due to contraction of peripheral blood vessels or low perfusion? -
Case 1For Safe, Precise and Reliable SpO2 Measurement
What is SpO2 measurement? What is the mechanism of SpO2 measurement with a pulse oximeter?
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ECG
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Case 3Various Artifacts
Electrodes are attached correctly but the waveform shown on the display is not clear enough. It seems it has some kind of artifact.
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Case 2Points to Keep in Mind While Recording
Is there anything to be aware of, while recording ECG?
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Case 1To Record Clear Standard 12-Lead ECG and Electrode Positioning
What is ECG? Where and how do we attach probes to patients to record clear ECG?
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CO2
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Case 2Is CO2 monitoring in an incubator limited to transcutaneous gas monitoring?
An incubator in NICU has a lot of moisture and fogging, so it is difficult to monitor CO2 through a sampling tube for carbon dioxide.
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Therefore transcutaneous gas monitoring has been used in an incubator.
However that has also other risk of burn injury including cutaneous vesicles. -
Case 1Difficulties with monitoring CO2
Even though monitoring CO2 is important and recommended by ASA/APSM Guidelines, we have a lot of difficulties as below:
- No portable CO2 monitors
- CO2 sensors are delicate and easy to break, and have a short lifetime
- Long CO2 calibration time and long warm-up
- Condensation or water trapped in sampling line
- Slow response, or long time to get results
- Difficult calibration
- Not available for child patients because of bulky size and dead space