28 results
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 #
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
/vomiting • Abdominal ... Serum DHEAS Diagnosis ... clue • Blood tests ... endocrinology #diagnosis ... #signs #symptoms
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... K), H. pylori test ... (GI symptoms/endemic ... thyroid function test ... #hematology
Whipple Disease (Tropheryma whipplei) - Diagnosis and Management 

Caused by: Tropheryma whipplei

Symptoms and Signs:
1. Migratory poly/oligoarthralgia
Management Caused ... Tropheryma whipplei Symptoms ... and Signs: 1. ... Abdominal pain; ... positive T. whipplei test
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... organ-specific signs ... or symptoms (eg ... #Differential #diagnosis ... #hematology #eosinophilia
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Workup • CNS symptoms ... Test for the respective ... thin smear • Signs ... biopsy • Lab values ... supporting hematologic
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... 90%, Abnormal Abdominal ... Chronic Chest Symptoms ... #Hematology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... priapism • Lab values ... WBC >100k, + lab signs ... Syndrome #TLS #diagnosis ... #management #hematology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... the optic nerve caused ... Doppler US : halo sign ... GiantCellArteritis #GCA #Rheumatology ... Ophthalmology #Diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
valve lesions Abdominal ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology