20 results
Fatality / Mortality Calculations in an Outbreak
There are a number of different types of rates, risks,
/ # of people diagnosed ... with disease (for ... with symptoms / ... symptoms Dr. ... #InfectiousDiseases
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and duration of symptoms ... angioedema Other symptoms ... , abdominal pain ... rheumatology #comparison #table
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
will correctly diagnose ... a case, or the ... it has a narrow focus ... NegativePredictiveValue #Calculation ... #Table #PPV #NPV
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Insufficiency Addison's Disease ... Tuberculosis: can cause ... /vomiting • Abdominal ... Serum DHEAS Diagnosis ... endocrinology #diagnosis
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
Whipple Disease (Tropheryma whipplei) - Diagnosis and Management 

Caused by: Tropheryma whipplei

Symptoms and Signs:
1. Migratory poly/oligoarthralgia
Whipple Disease ... Management Caused ... Tropheryma whipplei Symptoms ... Abdominal pain; ... positive T. whipplei test
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
or metastatic disease ... ketoconazole, etomidate) Symptoms ... ) w/ anorexia, abdominal ... A STIM test can ... ACTH STIM TEST:
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
who test positive ... how related two values ... but not on the causal ... Biostatistics #formulas #calculations ... #diagnosis
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 ... for non-calculus causes
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
Hypercortisolism - Diagnosis ... classically purple abdominal ... dexamethasone suppression test ... x-ray and/or CT, abdominal ... #signs #symptoms