11 results
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
immunocompromised, IBD ... , age > 70, pregnant ... outbreak) Few infectious ... causes of acute ... 196 (1.5%) had a positive
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
intermediate risk of disease ... Mycobacterial culture ... Mycobacterial culture ... Testing #Diagnosis #Workup ... #TB #Latent #Active
Algorithm for the Evaluation of Acute Diarrhea (< 7 days)
Are the following present?
   1.
Evaluation of Acute ... Routine stool culture ... HIV infection or ... positive 2. ... management #algorithm #workup
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
presents with acute ... the agent of choice ... to 12 weeks for acute ... extrapulmonary disease ... have positive blood
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
), RA, crystal disease ... for cell count, culture ... = Worry about late ... cutoff... >10K is ... rheumatology #approach #workup
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Without treatment ... manifestations including acute ... patients with positive ... have positive serology ... Diseases - https
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
head in dependent position ... at home or at work ... ) - acute angle ... preeclampsia: late ... pregnancy or postpartum
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
reactivation of latent ... Antimicrobial treatment ... Demyelinating disease ... specific and <25% culture ... positive Cryptococcal
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... cells can indicate disease ... microglobulin Treatment ... ’s lymphoma or acute ... Leukemia #diagnosis #workup
Anemia of Hospitalization - Pathophysiology

Why does the Hgb/Hct drop in the first two days during hospitalization?

Interestingly,
from injuries and infections ... proportionally. 30 years later ... phlebotomy/ blood work ... blood loss or acute ... Anemia of renal disease