29 results
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... of renal disease ... ultrasound; MRA; abdominal ... #Differential #Diagnosis ... #Workup #table
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and clinical associations ... , abdominal pain ... Cold #Urticaria #diagnosis ... rheumatology #comparison #table
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... Disease Tissue ... negative predictive value ... #Diagnosis #Workup ... #Table
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
will correctly diagnose ... a case, or the ... that any given case ... it has a narrow focus ... #Calculation #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
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Lung Abscess - Clinical ... shows a small, stable ... #differential #causes
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
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 ... but not on the causal ... #calculations #diagnosis
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity - A low value ... hallmark for the disease ... If the value is ... low, tests to detect ... #Workup #Hematology
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
obstruction - Able ... of flank or abdominal ... retroperitoneal disease ... MRI - Limited value ... with surgical access