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WuidQ: Washington University ID Questions Profile picture
@WuidQ
May 14, 2019 • 3 tweets • 2 min read • Read on X
2nd case presented at Grand Rounds today. The clues to the diagnosis are all in this famous Rembrandt painting. What’s your diagnosis? #IDMeded #IDgrandrounds #grandrounds @WashUID Image
Correct! This is the portrait of Gerard de Lairesse, displayed at the Metrop Museum of Art. Frontal bossing of Parrot, saddle nose, rhagades are just some of the many features of congenital syphilis depicted by Rembrandt. ncbi.nlm.nih.gov/pmc/articles/P…
The case presented today was a neonate who presented with fever, URI, and a diffuse discoid rash thought to be from neonatal lupus. RPR/TPA + so as mom’s. Cord blood negative (5% false negative RPR because of the Wharton Jelly within the umbilical cord).

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More from @WuidQ

WuidQ: Washington University ID Questions Profile picture
Jan 6, 2021
38/M w/ progressive loss of scalp, axilla, and chest hairs. Recently dx w/ HIV 6 mos ago when he developed dissem cryptococcosis. He has now been taking TDF/FTC, raltegravir, TMP/SMX, azithromycin, & fluconazole x 6 mos. Drug-induced alopecia is suspected. Most likely culprit?
1/8 Nice job! 52% got the right answer, fluconazole.

In animals/humans, fluconazole has been shown to induce telogen effluvium bit.ly/2MMnF9j, one of the most common causes of nonscarring hair loss (see Table 👇 bit.ly/38rTXyN).

@LParraRod @NNolanMD Image
2/8
 Normal hair cycle: anagen (growth) 👉catagen (transformation) 👉telogen (resting) 👉 shedding. Cycle is asynchronous (no mass hair shedding). At any given time, 90% of hair are in anagen, 1% in catagen, 10% in telogen.

@ID_fellows @PBMazi @LeMiguelChavez @gayathri25788
Read 9 tweets
WuidQ: Washington University ID Questions Profile picture
Sep 24, 2020
32/M, h/o HSV encep 1 mo ago (s/p 21 d ACV), on ceftri/metronidazole for sacral OM, p/t ER +delusion, fever, seizure. CSF: WBC 25 (L>N), ⬆️TP, n/l gluc,(-)HSV. Septic w/u all(-). MRI:
b/l temporal lobe enhancement ⬆️ from prior. Whch of the ff is the best Tx for this condition?
1/11
The group is split b/n steroids & d/c metronidazole. The answer here is Tx w/ steroids. Indeed, this is a case of autoimmune post-HSV encephalitis (anti-NMDA receptor encephalitis post-HSV). Good job @LemuelNonMD
@LeMiguelChavez @adilrashid83 @Orchid10Tree @KhalafSuha
2/11
Metronidazole-induced encephalopathy is predominated by cerebellar Sx w/ a distinct involvement of the dentato-rubro-olivary pathway on imaging. We’ve talked about it here before. Refer👇for further discussion
Read 12 tweets
WuidQ: Washington University ID Questions Profile picture
Sep 19, 2020
67/M w/ poor control DM, BPH, +10 d dysuria. T38.1, BP 120/80, +tender R CVA. WBC 14. U/A: 21 WBC, UCx: (-)bacteria, +Candida glabrata (fluc-R) x 2 samples. BCx(-), CT: +prostate hypertrophy. Has had no response to ceftriaxone. Has no Foley cath. Which of the ff is indicated?
1/15
The vote is split b/n micafungin and ampho deoxycholate! Thank you for all your responses!

Although micafungin may be a reasonable option, the correct answer here is ampho deoxycholate.

In this tweetorial, we will talk about Candida UTI and its treatment.
@ID_fellows
2/15
Candiduria can be challenging as it can potentially indicate: colonization, UTI, or candidemia/disseminated infxn.

Candiduria from a clean-voided urine sample is uncommon (<1%); more commonly seen in hospitalized patients w/ an indwelling bladder cath.
Read 16 tweets
WuidQ: Washington University ID Questions Profile picture
Sep 16, 2020
ID Miscellany|physical Exam|Signs|Humanities #idmesh
1/20
𝙁𝙀𝙑𝙀𝙍 𝙋𝘼𝙏𝙏𝙀𝙍𝙉𝙎: 𝘼 𝙇𝙊𝙎𝙏 𝘼𝙍𝙏?

Great! Three quarters find inquiring about fever patterns still useful. We will review some of the most important fever patterns.

@ID_fellows

2/20
For centuries, physicians have relied upon meticulous observations to dx infections. For many years, observation of the fever pattern provided physicians w/ important diagnostic clues. However, the advent of abx & advanced dx & imaging has changed this landscape. #idmesh
3/20
Swift initiation of abx & antipyretics make it impossible to verify historical descriptions of certain fever patterns. Hence, inquiry into fever patterns loses its clinical significance bit.ly/33iXCLs.
Read 21 tweets
WuidQ: Washington University ID Questions Profile picture
Sep 11, 2020
29M w severe persistent asthma p/w recurrent exacerbations despite optimal LABA/intranasal steroids. Abs eos 1250, total Ig E 1500, CT +mucus plugging, central bronchiectasis upper-middle lobes. Originally from Mexico, now in Texas. Which of the ff tests is indicated?
1/10
Great job! The majority got the right answer, allergic bronchopulmonary aspergillosis (ABPA).

Recurrent asthma exacerbations despite optimal asthma therapy & eosinophilia a/w mucus plugging and multilobar central bronchiectasis should raise suspicion for ABPA.
2/10
Aspergillosis, classified as saprophytic (aspergilloma), allergic (ABPA, hypersensitivity pneumonitis, allergic sinusitis), or invasive (pulmonary, other organs).

ABPA: hypersensitivity to A. fumigatus; can also occur from other fungi (referred as ABPM, M for mycosis).
Read 11 tweets
WuidQ: Washington University ID Questions Profile picture
Jul 31, 2020
48M +cirrhosis, underwent routine large volume paracentesis. +Abd fullness, (-)fever, abd pain/tenderness, confusion. Ascitic fluid: light yellow, 100 PMNs, SAAG 1.5, Cx +pan-susc E. coli. WBC 8, Crea 0.8, bili 1.8. Which of the ff is best management for this patient?
1/5
 Only 21% got this right: no abx, repeat para in 48H.

The dx of spontaneous bacterial peritonitis (SBP) rests on finding >/= 250 PMNs/mm3 in the ascitic fluid. Most patients with SBP are symptomatic (only 13% with no symptoms bit.ly/3gp5nEU)
2/5
The patient in our case is asymptomatic (no fever, abdominal pain, mental status change 👉most common SBP symptoms) and the ascitic fluid is <250. This is a variant of SBP known as:

▪️Monomicrobial nonneutrocytic bacterascites (MNB)
Read 6 tweets

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