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
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
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
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