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Ravi Singh Profile picture
@rav7ks
Sep 6, 2020 • 3 tweets • 2 min read • Read on X
It’s been a neurology week with cases of lower extremity weakness at MR @SinaiBmoreIMRes and presenting a case with this complaint to @cps VMR last week.
Working to improve my approach to this condition- recommendations welcome in improving these infographics. #MedTwitter Image
#MedStudentTwitter #FOAMed #Endneurophobia Image
Updated with correction/recommendation ! Image

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More from @rav7ks

Ravi Singh Profile picture
May 6, 2022
1/8
 You start SQ insulin on a patient and they develop peripheral edema ?
What is the mechanism of "Insulin edema" ?
#MedTwitter #MedStudentTwitter
2/8
 This condition was initially reported by Aaron Leifer, M.D. in 1928 in a 41-year-old male patient started on an insulin regimen which was published in JAMA.

Leifer A. A CASE OF INSULIN EDEMA. JAMA. 1928;90(8):610–611. doi:10.1001/jama.1928.92690350001012
3/8
 The severity of edema is usually mild, involving the limbs, sparing the torso and face.
Resolution is usually seen after one to two weeks of conservative treatment with fluid and salt restriction and may or may not involve the use of diuretics
grepmed.com/images/6334/dr…
Read 8 tweets
Ravi Singh Profile picture
Apr 16, 2022
1/17
“The skin truly can be a mirror of what’s going on inside the body “
During a #CPSbootcamp conversation we started discussing mosquito bites. How they can be a signal to internal disease ? Let's explore @deboracloureiro @KirtanPatolia @CPSolvers @seymss15
#MedTwitter
2/17
Mosquito saliva-induced type I hypersensitivity induces a strong itch sensation. This is a process of vasodilation + inflammation

First ➡️ immediate wheal and flare reaction develops within 15–30 min➡️ delayed pruritic induration arises within a day or 2 which resolves
3/17
Hypersensitivity to mosquito bites (HMB):

HMB or severe mosquito bite allergy (SMBA) is a cutaneous form of chronic active Epstein–Barr virus disease (CAEBV).

HMB belongs to a category of Epstein–Barr virus (EBV)-associated NK cell lymphoproliferative disorders (LPD). https://www.sciencedirect.com/science/article/pii/S132389302
Read 17 tweets
Ravi Singh Profile picture
May 20, 2021
1/ 10 The most recognized form of Non-Cardiogenic pulmonary edema(NCPE) is ARDS, however the scope of NCPE is much broader with many causes. One particular cause of NCPE we encountered was due to opoid use which is explored in this #medtweetorial
#MedTwitter #MedStudentTwitter
2/10 The onset of noncardiogenic pulmonary edema after opioid overdose was first described by Osler
during an autopsy in 1880

Osler W. Oedema of the left lung — morphia poisoning: Montreal General Hospital Reports Clinical and Pathological. Montreal: Dawson Bros., 1880:291.
3/10 Its presentation and clinical course was not appreciated until the 1950s-60s.
-mechanism is known to involve ⬆️ alveolar capillary permeability
-Opioid-related NCPE presents as :
dyspnea +/- pink, frothy pulmonary secretions
+ hypoxia
Other criteria is detailed below:
Read 10 tweets
Ravi Singh Profile picture
Feb 23, 2021
1/ Is bandemia with a normal WBC count concerning for a lethal infection?
It's a very interesting concept which I've faced and will explore below :
#MedTwitter #MedStudentTwitter #FOAMed
2/“Left shift” means that a particular population of cells is “shifted” towards more immature precursors
Josef Arneth (1873-1955) described this left-shift term.

% neutrophils is commonly reported as a "left shift" in the Diff which is incorrect
jamanetwork.com/journals/jama/…
3/Mechanical hematologic counters were used early on last century which perpetuated the term" left shift" with the manual counting of immature neutrophils which were towards the left side of the mature cells on the counter.
Read 11 tweets
Ravi Singh Profile picture
Dec 17, 2020
1/ "Don't forget to correct that phosphate so that the it can help the patient recover from acute respiratory failure !" This concept triggered a lot of questions on rounds.
It's worth taking a quick look at this association !
#medtwitter #MedStudentTwitter #FOAMed #phosphate
2/⬇️Phosphate leads to ⬇️red cell 2,3-DPG and a reduction in ATP.
⬇️Phosphate diverts glucose -> 1,3-DPG into the Rapoport-Leubering pathway away from ATP generation towards producing 2,3-DPG so that the oxygen affinity of RBC's does not increase and the tissues receive O2.
3/⬇️Phosphate does also impact RBC survivability with a
⬆️hemolysis, ⬇️in RBC deformability, ⬇️ capillary transit and ⬇️GSH.
Read 11 tweets
Ravi Singh Profile picture
Sep 25, 2020
1/Why does the Hg/Hct drop in the first two days during hospitalization ?
We'll explore this issue in this short #medtweetorial
#medtwitter #FOAMed #MedStudentTwitter
2/Interestingly , anemia of hospitalization is commonly thought to be due to
- phlebotomy
- IVF
- invasive procedures/ bleeding etc

However, prolonged bed rest can contribute to a drop in your pts blood count !
Another reason to get our patient's out of bed if possible !
3/Until the mid-20th century, bedrest was considered a benefit that helped people heal. Hippocrates had already noted the risk of loss of muscle, bone and tooth(Chadwick and Mann, 1950)
Today, there is recognition of bedrest’s negative effects on body and the blood volume.
Read 14 tweets

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