commit a664dfd66f1e79a3432c9b1a61035ccd587e1a18 Author: rogerheiden95 Date: Tue Oct 14 20:05:16 2025 +0200 Add 'Do you have to Trust the new Apple Watch On Blood Oxygen Readings?' diff --git a/Do-you-have-to-Trust-the-new-Apple-Watch-On-Blood-Oxygen-Readings%3F.md b/Do-you-have-to-Trust-the-new-Apple-Watch-On-Blood-Oxygen-Readings%3F.md new file mode 100644 index 0000000..8076cec --- /dev/null +++ b/Do-you-have-to-Trust-the-new-Apple-Watch-On-Blood-Oxygen-Readings%3F.md @@ -0,0 +1,9 @@ +
How accurate or helpful (or revolutionary) is that [blood oxygen monitor](https://fakenews.win/wiki/Diastole_Vs._Systole:_Know_Your_Blood_Pressure_Numbers) oxygen feature? Should those who can afford the $399 rush out and buy one? Can the way forward for health really be on our wrist? Although the Skeptical Cardiologist loves his Apple Watch 4 (particularly the ECG function) and thinks a home pulse oximeter can be useful throughout COVID-19, he hasn't but ordered the AW6. What is the Accuracy? Apple does not present references to any research or knowledge that may help the accuracy of their new method but does point out three health studies they are partnering in that may look on the AW6's utility in asthma, coronary heart failure, and COVID-19. Although we don't know anything about AW6's accuracy, we do have research displaying us that reflectance oximetry (utilized in AW6) is not as accurate or stable as transmittance oximetry (used in fingertip pulse oximeters.) It's necessary to know this vital technological distinction, so please indulge me for 2 paragraphs.
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Oximeters determine oxygen saturation ([BloodVitals SPO2](https://wiki.anythingcanbehacked.com/index.php?title=Samsung_Researchers%E2%80%99_Non-Invasive_Blood_Glucose_Monitoring_Method_Featured_In_%E2%80%98Science_Advances%E2%80%99)) in tissues by quantifying the focus of hemoglobin certain to oxygen (oxyhemoglobin or HbO2) and hemoglobin (Hb) without oxygen. Pulse oximeters, which are extensively utilized in medical settings, make the most of photoplethysmography (PPG) performed on pulsatile arterial blood at two different wavelengths to obtain a ratio of HbO2 and Hb. Optoelectronic sensors composed of light-emitting diodes and photodiodes that operate at pink and near-infrared wavelengths capitalize on the differing absorptivity of Hb and HbO2. Transmission-mode oximetry has been the gold standard but requires sensing at tissue locations that may be transilluminated with the sunshine shining by the tissue such because the earlobes and fingers. With reflective mode oximetry, [blood oxygen monitor](http://www.vmeste-so-vsemi.ru/wiki/Apple_Reportedly_Planning_Multiple_New_Apple_Watch_Health_Features_Including_Temperature_And_Blood-Pressure_Monitoring) the sunshine sources and photodiodes are on the same aspect of the tissue and a skinny measurement site shouldn't be required. Thus, it can be utilized at measurement sites such as the forehead, [blood oxygen monitor](http://bwiki.dirkmeyer.info/index.php?title=Benutzer:MarioTravers7) chest, and (most related for this dialogue) the wrist, where a band or [blood oxygen monitor](https://dev.neos.epss.ucla.edu/wiki/index.php?title=Peripheral_Arterial_Disease) watch will be utilized.
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Reflectance mode oximetry, the mode utilized by Apple Watch, [blood oxygen monitor](https://trendingwall.nl/inspiratie-voor-kinderkamer-behang/) has been proven to be inferior to the transmission mode utilized by fingertip pulse oximeters, seemingly because of increased variability introduced by ambient mild, the strain utilized, and positional variation inherent to the strategy. Some smartphone apps have claimed an means to measure [BloodVitals SPO2](http://uym.my.coocan.jp/bbs/bbsm/bbs1.cgi?aaa&) utilizing reflectance, but when two have been studied they have been found to be severely inaccurate. Walter Schrading, MD, who co-authored the smartphone oximetry examine, has told me that he doesn't recommend any smartphone app as a reliable pulse oximeter. Pending the release of any information or objective study of the AW6's accuracy, it is troublesome to recommend individuals buy the gadget for the purpose of monitoring oxygen levels. Although Apple uses the adjective "revolutionary," its opponents (FitBit and Garmin) have provided numerous bands and watches with [BloodVitals SPO2](https://srv482333.hstgr.cloud/index.php/What_Is_A_Traditional_Blood_Oxygen_Level) capability for a number of years. Should you Purchase Apple Watch 6?
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As quickly as Apple announced ECG capabilities on its AW4 within the fall of 2018, I signed as much as get one and i like it and cannot stand to be with out it. I'm an unabashed Apple fan and tech junkie. With a touch of the screen I can start a timer, verify my coronary heart charge or coronary heart charge restoration, [BloodVitals SPO2](https://embedthreads.com/nucleo-development-board-101/) initiate a work-out, play music on my AirPods, examine the weather, learn and [blood oxygen monitor](http://www.ngoyhnews.co.kr/bbs/board.php?bo_table=free&wr_id=321810) respond to text messages, or make a recording. The ECG icon will not be on there but readily accessible ought to anyone close to me all of the sudden pass out or should I feel my heart palpitating. So if you haven't any Apple Watch or an AW3 or less, have the cash, and want all the above nifty features seamlessly built-in with your iPhone plus useful ECG capabilities, go for the AW6. Is It Worth Upgrading From AW4 or AW5? Of those new options talked about, the one one which I'm keen on is sleep tracking.
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I've assessed many different sleep monitoring wearables, including the Oura ring, the Garmin VivoSmart (which affords nocturnal oxygen saturation, by the best way), and a number of iPhone apps and have discovered them all to be inaccurate. They primarily rely on actigraphy to find out sleep versus wake. We don't know any details concerning the AW6 sleep monitoring. This shot from the Apple web site suggests to me the information will likely be rudimentary. Matt Walker, author of "Why We Sleep," believes that each one wearable sleep trackers have an accuracy of about 70% in figuring out sleep versus wake and [BloodVitals SPO2](https://tuetis101.wiki/index.php/Rumor_Has_It_The_Next_Samsung_Apple_Smartwatches_Would_Possibly_Monitor_Blood_Glucose) the stage of sleep. He makes an interesting remark in a current Peter Attia podcast that "stickiness" is as vital as accuracy in the case of sleep monitoring. Stickiness refers to how likely we are to proceed utilizing and wearing the gadget during sleep. The Oura ring may be very sticky. I continued to wear it for months after I had concluded it was not helpful in tracking or optimizing my sleep.
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