80 results
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... , describe clinical ... who test negative ... true negatives. ... #calculations #diagnosis
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 ... Disorientation, vertigo Diagnostic ... Cold #Urticaria #diagnosis ... #rheumatology #
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... skin injury) • Neurologic ... (Clinical Dx). ... inhibitors • Uveitis- Ophthalmology ... signs #symptoms #rheumatology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... very sensitive diagnostic ... regarding the cause ... Pupillary #Defect #Neurology ... #Clinical #Video
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... polyangiitis) - ANCA-negative ... , biopsy By Tess ... #differential #diagnosis ... #nephrology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... K), H. pylori test ... thyroid function test ... (CVID, WAS), (neurologic ... #hematology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential Diagnosis ... Tubular Proteinuria (Negative ... • Fanconi's syndrome ... Minimal change disease ... #Algorithm #Causes
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
Causes of false- ... negative SPEP: ... plasmacytoma, POEMs syndrome ... Gammopathies #MGUS #diagnosis ... #hematology #oncology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... - Differential Diagnosis ... Myelodysplastic Syndromes ... Liver Function Tests ... #Hematology
Preterm Infant Complications - Differential Diagnosis
Respiratory:
 • Transient Tachypnea of the Newborn (TTN)
 • Respiratory Distress
Respiratory Distress Syndrome ... • Chronic Lung Disease ... Enterocolitis (NEC) Neurologic ... Impairments (NDI) Ophthalmology ... #Causes #Peds #