17 results
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
will correctly diagnose ... implies being able ... it has a narrow focus ... #Calculation #Table ... #PPV #NPV #Formulas
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
life Causes and clinical ... fatigue, Nausea, abdominal ... Disorientation, vertigo Diagnostic ... Cold #Urticaria #diagnosis ... rheumatology #comparison #table
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
→ Spectrum of Disease ... Ratio Step 1: Clinical ... with a focused clinical ... & Specificity Assess ... ultrasound #management #diagnosis
Intraabdominal Abscess on POCUS

RUSH exam for fever, hypotension, abd pain.  You notice this in RUQ.
on POCUS RUSH ... Diagnosis? ... Answer: Large intra-abdominal ... hx of Crohn's disease ... #clinical #Crohns
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung Abscess - Clinical ... antibiotics once stable ... shows a small, stable
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
high index of clinical ... left-sided heart valves ... common, Aortic root abscess ... - Infectious Diseases ... #table
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... , describe clinical ... how related two values ... Biostatistics #formulas ... #calculations #diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
emboli • Lung abscess ... characteristic features Clinical ... Tuberculosis Diagnosis ... Tuberculin skin test ... Tuberculosis #TB #Diagnosis
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
result with no clinical ... developing active infection ... intermediate risk of disease ... • Tuberculosis infection ... positive predictive value
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
emboli • Lung abscess ... characteristic features Clinical ... Tuberculosis Diagnosis ... Tuberculin skin test ... Tuberculosis #TB #Diagnosis