11 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Algorithm Relative ... • Burns • Diarrhea ... #Algorithm #Causes ... #Hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Differential Diagnosis ... Algorithm Elevated ... - Acquired Causes ... Hypoxia-independent: Post-renal transplant ... #Algorithm #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Algorithm Spurious ... thrombocytosis • Polycythemia ... #Algorithm #Causes ... #Hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Diagnosis Algorithm ... an underlying cause ... some time, let’s see ... normal/high - Chronic ... #Algorithm #workup
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Myeloproliferative Disorder • Chronic ... myelogenous leukemia • Polycythemia ... #Algorithm #Causes ... #Hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Algorithm Decreased ... RA, SLE, PRV, Chronic ... #Algorithm #Causes ... #Hematology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
) - Diagnosis and ... 40, F:M 9:1 • Clinical ... Positive in 60-80% of cases ... • Evolution: Chronic ... Management #Summary #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... Discontinuation of causal ... • Evolution: Chronic ... comparison #table #rheumatology ... #diagnosis #management
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 ... abdominal pain, diarrhea ... Atopic diseases, Chronic ... #rheumatology #
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... Autoimmunity • Chronic ... • Infectious diarrhea ... DDX - Other causes ... Malignancies • Chronic