81 results
Aspergillus terreus on Culture and Microscopy
 - velvety white, later dusky "cinnamon' growth on culture
 -
Aspergillus terreus ... Microscopy - velvety ... heads Rich Davis, PhD ... #Aspergillus #terreus ... #Microscopy #clinical
Fusarium on Culture and Microscopy
Collecting a sample for culture from the eye is never fun, but
and Microscopy ... & reverse) 2) microscopic ... Eye infections are ... Rich Davis, PhD, ... #Microscopy #clinical
Aspergillus terreus on Culture and Microscopy
 - cinnamon (with sugar) brown" growth on plate
 - resistant
Aspergillus terreus ... on Culture and ... Microscopy - cinnamon ... ) Rich Davis, PhD ... #Aspergillus #Terreus
Acute Diarrhea - Differential Diagnosis Framework
1)  Diagnostic studies only for dysentery, severe disease, >7 days
2)
Acute Diarrhea - Differential ... >7 days 2) PCR>culture ... aureus, Bacillus cereus ... Acute #Diarrhea #Differential ... #Diagnosis #Infectious
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Blood culture contaminants ... febrilepodcast] #ID #Infectious ... Diseases #Infections ... Microbiology #Micro #Differential ... #Ddx #Diagnosis
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB • LTBI is diagnosed ... TB AFB smear microscopy ... Mycobacterial culture ... Liquid and solid cultures ... Mycobacterial culture
Ascites - Differential Diagnosis and Workup Algorithm

•
Perform paracentesis:
 • Cell count and diff 
 • Total
Ascites - Differential ... Diagnosis and Workup ... and anaerobic culture ... Matthew Ho, MD PhD ... #Diagnosis #Algorithm
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Neutrophil (Normal) Differential ... Diagnosis: • ... counts may delay diagnosis ... #Bandemia #differential ... #diagnosis #neutrophil
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... • Infection with ... BCNIE Diagnostic ... #Endocarditis #diagnosis ... #differential #
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
Sporotrichiosis Infection ... wax and wane; diagnosis ... Culture of tissue ... biopsy preferred Differential ... Sporotrichiosis #Infection