28 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... Disease #Polycythemia ... #Algorithm #Causes ... #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential Diagnosis ... disorders (eg. polycythemia ... Inflammatory • Systemic Lupus ... #Differential #Diagnosis ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... thrombocytosis • Polycythemia ... disorders • Celiac disease ... effect following treatment ... #Hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Acquired Causes ... Hypoxia-driven: Cardiac/pulmonary ... disease, Smoking ... ), TEMPI (VEGF normal ... #Algorithm #hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
an underlying cause ... Better call hematology ... about secondary causes ... As with many disease ... Algorithm #workup #hematology
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Is a Systemic Disease ... to identify the cause ... APTT #prolonged #diagnosis ... #hematology #evaluation ... mixing #studies #PTT
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... - CRP: Usually normal ... life-threatening • Treatment ... Evolution: Chronic disease ... Management #Summary #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Post-strep GN, Lupus ... With associated pulmonary ... #differential #diagnosis ... #algorithm #rheumatology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/NORMAL PTT: ... PT/ABNORMAL PTT ... PT/ABNORMAL PTT ... discern these causes ... #Hematology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Differential Diaqnoses ... CK, normal biopsy ... hepatitis • Pulmonary ... #diagnosis #management ... #treatment #rheumatology