The second-era Apple Watch SE was launched in September 2022, two years after the original mannequin was introduced. The cheaper Apple Watch SE offers the important thing features of the dearer Apple Watch, comparable to coronary heart-charge monitoring, irregular coronary heart fee notifications, workout modes, sleep monitoring, water-resistance, and Emergency SOS, all for a starting worth of $249. Unfortunately, like the original Apple Watch SE, the second-technology model does not feature blood oxygen (SpO2) monitoring. Although the Watch SE 2 brings new options resembling Crash Detection and a extra highly effective S8 chip, Apple did not embrace a pulse oximeter on the smartwatch. It is a surprising omission, given that SpO2 sensors are extensively available today, both on premium smartwatches and cheaper fitness trackers. Pulse oximeters became common on wearables throughout the COVID-19 pandemic, as low blood oxygen levels had been a symptom of the virus. While some wearables supply only spot checks, others, like the Apple Watch Series 8 and Apple Watch Ultra, support all-day background monitoring, together with throughout sleep.

A low SpO2 reading (hypoxemia) throughout sleep could point out well being situations reminiscent of sleep apnea or chronic obstructive pulmonary illness. While the lack of an SpO2 sensor on the Apple Watch SE 2 is disappointing, it will not be a dealbreaker for many who don't want to monitor their blood oxygen levels. If a pulse oximeter is essential, the subsequent best possibility is the Apple Watch Series 8. The smartwatch features a dedicated Blood Oxygen app that may take spot readings. Users will want to keep their wrists flat with the Apple Watch dealing with upwards, and BloodVitals home monitor keep their arm steady for 15 seconds while the sensor takes the studying. Background readings will occur by way of the day, and their frequency relies on how lively a user is. Because the measurements require the wearer to be sitting nonetheless, they will happen when the consumer is not shifting. If sleep tracking is enabled, blood oxygen levels will also be measured at night time. All blood oxygen readings are saved within the Health app on iPhone.

Disclosure: The authors haven't any conflicts of curiosity to declare. Correspondence: Thomas MacDonald, Medicines Monitoring Unit and Hypertension Research Centre, Division of Medical Sciences, University of Dundee, Ninewells Hospital & Medical School, Dundee DD1 9SY, UK. Hypertension is the most typical preventable cause of cardiovascular disease. BloodVitals home monitor blood pressure monitoring (HBPM) is a self-monitoring tool that may be integrated into the care for patients with hypertension and is beneficial by main guidelines. A rising physique of evidence helps the benefits of affected person HBPM in contrast with workplace-primarily based monitoring: these embrace improved control of BP, prognosis of white-coat hypertension and prediction of cardiovascular danger. Furthermore, HBPM is cheaper and simpler to perform than 24-hour ambulatory BP monitoring (ABPM). All HBPM devices require validation, however, as inaccurate readings have been found in a high proportion of screens. New know-how options an extended inflatable area within the cuff that wraps all the best way spherical the arm, rising the ‘acceptable range’ of placement and thus lowering the influence of cuff placement on reading accuracy, thereby overcoming the limitations of current units.

However, even though the influence of BP on CV threat is supported by one in every of the greatest bodies of clinical trial data in drugs, few clinical research have been dedicated to the problem of BP measurement and its validity. Studies also lack consistency in the reporting of BP measurements and a few do not even present details on how BP monitoring was performed. This text goals to debate the benefits and disadvantages of residence BP monitoring (HBPM) and examines new technology aimed toward bettering its accuracy. Office BP measurement is associated with several disadvantages. A research during which repeated BP measurements have been made over a 2-week period beneath analysis study conditions discovered variations of as a lot as 30 mmHg with no remedy modifications. A current observational research required primary care physicians (PCPs) to measure BP on 10 volunteers. Two skilled analysis assistants repeated the measures immediately after the PCPs.

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Pub: 23 Nov 2025 14:55 UTC

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