224 results
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Causes: Calcific ... arm, empty can test ... Cuff #Syndrome #orthopedics
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
for Celiac Disease ... patients with celiac disease ... Sensitivity for celiac disease ... value for celiac disease ... Reflects response to treatment
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... fever, fatigue, Nausea ... vertigo Diagnostic tests ... - Ice cube test ... , TempTest test
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal parenchymal disease ... Renal ultrasound, Tests ... of renal disease ... • Renovascular disease ... sodium loading test
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
proportion of truly diseased ... identified as diseased ... correctly diagnose a case ... that any given case ... identify a non-diseased
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... Pneumonitis • Treatment ... Connective Tissue Disease ... BrighamChiefs #ILD #Causes ... interstitial #lung #disease
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Insufficiency Addison's Disease ... aldosterone Causes ... : Most Common Causes ... Tuberculosis: can cause ... clue • Blood tests
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... PT, aPTT(liver disease ... K), H. pylori test ... thyroid function test ... bypass), LFT (liver disease
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
Presentation: • Mild disease ... non-productive cough, nausea ... Severe pulmonary disease ... agglutination - test ... microbiology #diagnosis #treatment
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... who test positive ... then all negative tests ... who test negative ... but not on the causal