Discover and read the best of Twitter Threads about #diphtheriae
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#idboardreview 16 M fever, progressive neck swelling (bull neck), nasal regurgitation of food, progressive dyspnea, orthopnea. Pharynx/tonsil w/ gray membrane. EKG with heart block. Diagnosis? #medEd #idmedEd #idtwitter 
#corynebacterium #diphtheriae gram positive bacillus produces epidemic Upper respiratoryinfection in unimmunized individuals
#diphtheria spreads by air & direct contact. Asymptomatic carriage important in transmission. Rare now due to vaccination
Images of Infectious Diseases
This is the histopath and gram stain of culture of a lymph node biopsy of a person with tender purulent inguinal adenopathy.
Dr. @dwchallener
Dr. @ali_eberly
MCQ #MayoIDQ to follow
This is the histopath and gram stain of culture of a lymph node biopsy of a person with tender purulent inguinal adenopathy.
Dr. @dwchallener
Dr. @ali_eberly
MCQ #MayoIDQ to follow
72M. Crohn’s. 2 pet dogs. 1 pet cat.
2 mo after L knee surgery —> tender L inguinal node with purulence. No F/C. No response to TMP-SMX.
Biopsy (see photo): Stellate suppurative granuloma with central necrosis and clumps of bacteria.
What is the most likely diagnosis?
2 mo after L knee surgery —> tender L inguinal node with purulence. No F/C. No response to TMP-SMX.
Biopsy (see photo): Stellate suppurative granuloma with central necrosis and clumps of bacteria.
What is the most likely diagnosis?
1/
#Gram stain: a first step in bacterial identification —> two major groups:
1. Gram-positive: retains primary stain (crystal violet)
2. Gram-negative: does not retain crystal violet but counterstained by safranin/fuchsine —> red / pink
Named after Hans Christian Gram (photo)
#Gram stain: a first step in bacterial identification —> two major groups:
1. Gram-positive: retains primary stain (crystal violet)
2. Gram-negative: does not retain crystal violet but counterstained by safranin/fuchsine —> red / pink
Named after Hans Christian Gram (photo)
