10 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB • LTBI is diagnosed ... result with no clinical ... intermediate risk of disease ... positive predictive value ... #Workup #TB #Latent
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
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 ... Diagnosis: Latent ... Tuberculin skin test ... #TB #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
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 ... Diagnosis: Latent ... Tuberculin skin test ... #TB #Diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacterium tuberculosis ... enzymes, diarrhea, abdominal ... : Clinical Manifestations ... patients with typical tuberculosis ... • Clinical (Symptoms
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... , describe clinical ... from a group to assess ... how related two values ... #calculations #diagnosis
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
to bolus these values ... presentations and disease ... / hypoxemia -> focus ... assessment - assess ... tests before beginning
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Assess functional ... determine if stress test ... Change in clinical ... undergoing AAA or upper abdominal ... stratification #diagnosis
Erythema Nodosum Overview

Definition: 
 • EN is an inflammatory condition characterized by tender, red nodules, typically
Mycobacterium tuberculosis ... 50% of cases) Clinical ... Diagnostic Approach ... : Clinical Evaluation ... Laboratory Tests