Discover and read the best of Twitter Threads about #Screening

Most recents (6)

Our research team @CUHKMedicine analysed >300 specimens from 14 #HongKong patients confirmed with #COVID19 and discovered that the virus was detectable in the #stool samples of all patients, regardless of the degree of illness.
3 out of 14 patients still had viruses in their #stool samples even though the virus was no longer found in #sputum, nasopharyngeal and deep throat saliva samples.
Our study suggests that virus shedding in stool may have public health implications. First, it may serve as an alternative #screening tool in people without #respiratory symptoms.
Read 6 tweets
Im Zusammenhang mit medizinischen Untersuchungen, Labortests und #Screenings ist immer wieder die Rede von Sinnhaftigkeit, Testqualität und Sicherheit der Ergebnisse. Wichtig dabei ist, dass die Genauigkeit eines Tests nicht getrennt von der Testpopulation zu betrachten ist.

2/x
Diesen Zusammenhang beschreibt der Satz von #Bayes, oder #Bayes_Theorem, einer statistischen Betrachtungsweise, die sich mit bedingten Wahrscheinlichkeiten beschäftigt. Ich wende also einen Unterscheidungsmerkmal (Test) auf eine Population mit bestimmten Eigenschaften an.

3/x
Read 19 tweets
People often tell me we should not fund #lungcancerscreening because its just for #smokers and they do this to themselves... No surprise for anyone associated with #lungcancer who know all too well bias and #stigma faced by those who suffer from it. This is what I tell them...
While smoking remains an individual action, the majority of smokers are hooked at a young age, often before age 18 (in Alberta, the avg age is 16). As one of the most addictive substances around, the argument that smoking is a simple informed choice made by adults is not valid.
Society must share the responsibility for their addiction & consequence from a legal product heavily marketed to population and easily accessed by youth despite regulations.
Read 12 tweets
Closing the loop on #Diagnostics #Tweetorial with example #AppleWatch #AFib #Screening. From a company website: "Atrial fibrillation is a silent killer. The heart arrhythmia causes more life-threatening strokes than any other chronic condition, and will affect 1 in 4 of us."
"But the sad fact is that atrial fibrillation often goes unnoticed: It is estimated that 40% of those who experience the heart condition are completely unaware of it."
Using #AppleWatch technology and #DeepLearning #AI #ML, a device algorithm can reportedly detect atrial fibrillation with high accuracy (c-statistic 93%).
Read 44 tweets
#Tweetorial on #Diagnostics and #Screening interpretation.
An otherwise healthy 40 year old woman comes to you after reading on the internet about a terrible disease that one in a thousand women get, and a highly accurate test that can save her life.
The test is over 99% accurate in people with the disease. For those without disease, the test is only wrong 5% of the time.

You order this test and it comes back positive. The woman anxiously asks you, do I have the disease? What is the chance this woman has the disease?
Assuming they weren't immediately fooled by the "test is only wrong 5 % of the time," most I've asked correctly recognize the stats provided are Sensitivity = 99% and Specificity = 95%, and that the objective is to determine the Positive Predictive Value.
Read 21 tweets
#thread abt my feels re: #105keefer
my heart is overflowing with joy! + I'm still very overwhelmed by this week's happenings 💗💗💗
this week was a busy DPB sandwich 🍔 - DPB last Mon, @PaintItRedDoc #screening ytd, & DPB #vote today
lol we got branded as #disrespectful & #divisive as usual, so I'm happy we were able to uphold tenets of #democracy. #105keefer #vanpoli
Read 9 tweets

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