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You think not being able to have a soap dispenser detect the color of your skin is bad, wait till you hear how often doctors don't realize skin color gives misleading readings in SPO2 measurements.https://t.co/aqxj6HJaTf
"Be aware that multiple factors can affect the accuracy of a pulse oximeter reading, such as poor circulation, skin pigmentation, skin thickness, skin temperature, current tobacco use, and use of fingernail polish."https://t.co/t4dXeFRA5m
Nurse told my diabetic GF that SPO2 was fine.>" Elevated blood HbA1c levels lead to an overestimation of SaO2 by SpO2, suggesting that arterial blood gas analysis may be needed for type 2 diabetic patients with poor glycemic control" https://t.co/ILdwnwzDyt
My GFs "asthma" not isn't responding to inhalers. Waiting to know what lung doc found. "Glycated hemoglobin A1c-based adjusted glycemic variables in patients with diabetes presenting with acute exacerbation of chronic obstructive pulmonary disease" https://t.co/FH1xkNhac2
Both me and my GF are pale skinned. I am just mad a at how collectively ignorant the health industry is. If her situation is an example of someone in a privileged position, I can only imagine how shit it must be for a dark skinned person w/ diabetes type II & lung issues.
Does anyone know if there are studies using Arterial Blood Gases to monitor patients with COVID? Ties between stress related pathways and insulin are interesting here.https://t.co/Lb6bNFh0rE
If a literal lung specialist working on diagnosing COPD in a diabetic type II patient has the process EXACTLY WRONG, then I wonder how many others are ignorant of these dynamics.https://t.co/aDuBH9nBIk
"There exists substantial evidence to support that Black skin has a higher TEWL, variable blood vessel reactivity, decreased skin surface pH, and larger mast cell granules compared with White skin. [...] further evaluation needs to be done."https://t.co/yyKvNv7kQP
"Asian and black skin has thicker and more compact dermis than white skin, with the thickness being proportional to the degree of pigmentation." [2016]https://t.co/H1nbuBBa1S
"This study confirms that there are widespread connective tissue changes in diabetes mellitus, although the biochemistry needs further elucidation." [1989]https://t.co/ZIHGKvF0IG
"Skin thickness is affected by age, pubertal status, gender, BMI, and anatomical site. Such differences may be important when considering appropriate sites for dermal/subcutaneous injections and other transdermal delivery systems." [2014]https://t.co/7xcj6Legtn
This is what people mean when they talk about structural racism in the medical system?Trivially correlatable changes in skin & blood o2 in standard measurement paradigm, leading to plausible widespread measurement error that impacts direct patient outcomes?
How does one measure blood gasses? I found out I could probably have my dad (trained phlebotomist) take the sample. I just need to figure out how to DIY assay.https://t.co/83TTm8j7GM
You ever spend 20 minutes to reverse engineer how SPO2 meters work and realize skin thickness and emissivity would impact measurements; causing error.Then find out no one seems to understand it?https://t.co/M97OlDZbOZ
This shit is seems trivially calibratable. But I doubt it's on anybody's radar."The mean percentage error between the two measurements was 13.12%. We conclude that fat thickness can be efficiently measured using the simple sensor module." [2009]https://t.co/egIkzuvlaQ https://t.co/k7De2b3TGV
Skin emissivity seems to be constant regardless of skin pigmentation https://t.co/fLsgoKhs8e
for SPO2: Does reflectivity matter? Or is it purely about penetration and scattering? I am not sure.This seems to be the most thorough paper on the subject of skin I could find.https://t.co/1B7QiidNVa https://t.co/aWCjiK7nY4
I mean..."One of the critically important areas in medicine is the misdiagnosis of disease in people with darker skin types due to implicit bias and the lack of awareness among physicians in recognizing the disease pattern."https://t.co/mKYktMPn3vhttps://t.co/74mWCcGjqi
"This is not a problem with one algorithm, or one company — it’s a problem with how our entire system approaches this problem"https://t.co/JZhV32t9Kjyes, yes it is.https://t.co/A6GJvIoqaC https://t.co/IITeBVM37b
Tying billing and medical diagnosis together for reimbursement purposes is literally built in to the way healthcare is regulated by the United States government.https://t.co/iGiqL7byV8 https://t.co/ErC0gX2xSU
I made a rant on mastodon back in 2018 on the absurdity of medical billing practices being used to model healthcare outcomes. This problem is at the core of my obsessions with Quantified Self.Will bundle it up in to an https://t.co/pvfP6oVwFv entry soon.https://t.co/iPbq04HizX
Do you ever wanna get access to every local news paper ever published to get statistics on obituaries and correlate it with healthcare trends and back fill it with data from EMR records and FDA drug authorizations and pharmacy insurance reimbursement logs?
“If the call handler was well-trained, and you said you were black, they should know not to pay too much attention to that question [of blue lips]. You’d be asking other questions, about breathing, whether [they were] rousable”https://t.co/xmXE4wNCrZ 🤬https://t.co/fvsmWtnOtS
Good: someone is acting on this bullshit.https://t.co/LVpjOpp5ENhttps://t.co/nEfksSWSXS
FDA made another announcement about potentially bad readings from SPO2 devices for people with dark skin.https://t.co/cSh2uDLrQF https://t.co/WjaJ4Gvr3b
Been thinking a lot about this while dealing with the Candida / Thrush infection that my GF has been having. Every single doctor is asking if her throat hurts. It's become a ritual for her to say "but I don't feel pain like most people" after every one.https://t.co/sjOa0Rwc5M
I believe a dark-skinned person w/ thick skin from diabetes, combined w/ poorly controlled blood sugar (a complication from covid itself!) might explain doctors reporting patients suddenly going from good SPO2 to bad on short notice.But I have no evidence. I am not a doctor.
Don't worry, the way the FDA measure of covid during booster trials was defined as...*checks notes*"peripheral-blood oxygen saturation level"🤦♂️🤦♂️🤦♂️https://t.co/Zy7FCBWI8c
