Diving physiology in penguins has been extensively studied in the bigger, BloodVitals home monitor deep diving species reminiscent of emperor and gentoo penguins, nevertheless the blood oxygen storage capability of the mid-depth diving crested penguins is much less understood. For this undertaking, I measured the concentrations of hemoglobin and BloodVitals home monitor hematocrit in three species of crested penguins (Fiordland penguin/tawaki, erect-crested penguin, and Eastern rockhopper penguin) in New Zealand to check oxygen storage capacity and dive depth/time. Data analysis for this undertaking is still underway, but preliminary results recommend that the larger erect-crested penguin has the very best hemoglobin and hematocrit values of the three suggesting a better oxygen storage capacity within the blood and extra environment friendly transport of oxygen to the tissues allowing deeper or longer dives. Data from this challenge was cited in New Zealand Geographic 2023 article The longer term is Written in Penguin Blood (see Media tab for links). Publication of a brief be aware containing these values is on deck for Notornis.

The Apple Watch Series 6 feels prefer it has perfected most of the options I liked about its predecessor. It has a brighter all the time-on show, a more powerful processor, quicker charging and two new colorful options to select from. However the feature I was most excited to check out was its new sensor that measures oxygen saturation within the blood (aka BloodVitals SPO2) with the tap of a display screen. As somebody who panic-bought a pulse oximeter at the start of the coronavirus pandemic and still checks her levels at the primary sign of a cough, the thought of having one strapped to my wrist always was sufficient to pique my curiosity. But unlike the ECG characteristic on the Apple Watch, which has been tried, tested and cleared by the US Food and Drug Administration, together with the irregular heart rhythm notifications, SpO2 on the Apple Watch nonetheless appears to be in its early levels. Navigating all this new data can be daunting for anybody who's not a medical professional.

I bought an FDA-cleared pulse oximeter, the system docs use to measure BloodVitals SPO2 on your fingertip, as a precaution when coronavirus circumstances in the US began to climb. Having low blood oxygen levels would not assure you've COVID-19, however it's one of the foremost signs of the disease. I had read horror BloodVitals home monitor stories of people who waited too lengthy to go to the hospital and had died in their sleep as a result of they did not notice their levels had dipped overnight. It is best to at all times examine with a physician if you are experiencing shortness of breath (one other symptom of COVID-19), even when a pulse oximeter says you're in a healthy range, however I discovered comfort in realizing that I might a minimum of use it as a reference if I ever skilled shortness of breath. That's not one thing you are able to do with the Apple Watch -- Apple says it needs to be used for wellness purposes solely and never as a medical system, that means you may have to take the results with a grain of salt and shouldn't use it to screen for any type of illness, which is what I had been hoping to get out of it.

But there may be different benefits of having it strapped in your wrist always. Much like a pulse oximeter, the Series 6 uses pink and infrared light from its new sensor to find out the share of oxygen within the blood. But as an alternative of shining the light via your fingertip, it uses the sunshine that's reflected again from the blood vessels in your wrist to find out your oxygen ranges primarily based on the coloration of your blood. During the setup course of you're asked whether or not you need to activate BloodVitals SPO2 monitoring, which I did, however you can always go back and disable it in the settings after the fact. The first thing I did after strapping on the Watch was open the Blood Oxygen app. It offers you a couple of tips on the best way to get one of the best consequence and you'll want to rest your arm on a table or flat floor whereas the Watch is taking a reading.

Then the 15-second countdown begins and you're executed -- simple and painless. I obtained a 95% on my first learn, which was lower than what I'm used to from my pulse oximeter. Anything above 90% is generally considered by clinicians to be within a wholesome range, but typically, greater is better. I examined it just a few more instances and obtained slightly totally different results inside a number of share points relying on whether I was utterly still and silent throughout the check, the place I had the watch positioned on my wrist and how tight the strap was. There are various components that can have an effect on a studying, similar to pores and skin temperature or the place of the sensors on the physique. Side-by-side with my pulse oximeter, the Apple Watch was typically off by about one or BloodVitals SPO2 two points, however generally spot on. What was more fascinating to me was the BloodVitals SPO2 information that collected over time within the Health app .