64 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... , abdominal pain ... Disorientation, vertigo Diagnostic ... test, TempTest ... Cold #Urticaria #diagnosis
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... Disease Tissue ... negative predictive value ... Reflects response to treatment ... #Diagnosis #Workup
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... of renal disease ... • Renovascular disease ... ultrasound; MRA; abdominal ... #Differential #Diagnosis
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Insufficiency Addison's Disease ... /vomiting • Abdominal ... Serum DHEAS Diagnosis ... clue • Blood tests ... endocrinology #diagnosis
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
identified as diseased ... will correctly diagnose ... a case, or the ... that any given case ... it has a narrow focus
Whipple Disease (Tropheryma whipplei) - Diagnosis and Management 

Caused by: Tropheryma whipplei

Symptoms and Signs:
1. Migratory poly/oligoarthralgia
Whipple Disease ... Management Caused ... Abdominal pain; ... positive T. whipplei tests ... positive T. whipplei test
Renal Cell Carcinoma (RCC) - Diagnosis and Management Summary
Clinical features - Classic triad (flank pain, hematuria,
Carcinoma (RCC) - Diagnosis ... and a palpable abdominal ... Imaging and Treatment ... test: abdominal ... express Laboratory tests
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
or metastatic disease ... ) w/ anorexia, abdominal ... , infiltrative diseases ... A STIM test can ... ACTH STIM TEST:
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
non-productive cough, nausea ... ARDS Diagnosis ... agglutination - test ... #microbiology #diagnosis ... #treatment #management
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 ... who test negative ... how related two values ... #calculations #diagnosis