124 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 ... #rheumatology # ... comparison #table
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... of the lids • Symptoms ... upper lid • Cause ... #Clinical #Diagnosis ... Chalazion #Comparison #Table
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
Visual or auditory symptoms ... conjunction with symptoms ... and treatment can ... Inflammatory causes ... #differential #diagnosis
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential Diagnosis ... disorders • Celiac disease ... effect following treatment ... #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... PT, aPTT(liver disease ... pylori test (GI symptoms ... #Differential #Diagnosis ... #hematology
Polycythemia Vera (PV) - Diagnosis and Management Summary
Diagnostic Criteria:
 • Elevated hemoglobin and/or hematocrit AND
 •
Polycythemia Vera (PV) - Diagnosis ... Management Summary Diagnostic ... When present, symptoms ... von Willebrand disease ... #hematology
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
- Diagnosis Algorithm ... • Signs and symptoms ... unresponsive to treatment ... without discernable cause ... #Diagnosis #Algorithm
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
workup for specific symptoms ... for secondary causes ... glucocorticoid treatment ... #Differential #diagnosis ... #hematology #eosinophilia
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... Chronic Chest Symptoms ... #Algorithm #Causes ... #Hematology
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
will correctly diagnose ... a case, or the ... that any given case ... it has a narrow focus ... #Calculation #Table