14 results
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - ... Differential Diagnosis ... Reactive: • Anemia ... Chronic Myeloid Leukemia ... #Platelets #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... malignancies • Anemia ... iron deficiency, hemolysis ... Chronic inflammatory disorders ... Chronic myeloid leukemia
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Elevated Platelet ... blood loss, Acute hemolysis ... , deficiency anemia ... post-splenectomy, Exercise, Allergic ... #Platelets #Differential
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential ... Diagnosis Algorithm ... Chronic Myelogenous Leukemia ... • Rheumatic disorders ... #Causes #Hematology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Diagnosis Algorithm ... #hematology #Markers ... #Differential # ... Diagnosis #Algorithm
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... with or without platelet ... DIC, TTP, HELLP, HUS ... Consider RBC membrane disorder ... #Anemia #Differential
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
• Lymphoma • Leukemia ... Myeloproliferative disorders ... vera, essential thrombocytosis ... Serum Sickness Hemolytic ... #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... uremic syndrome (HUS ... lymphoproliferative disorders ... Extravascular #Causes #differential ... #diagnosis #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... - Hemolytic ... #Diagnosis #hematology ... #nonpalpable #dermatology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... Diagnosis Framework ... the serum that has ... paralyses CNS Disorders ... Lymphomas • Leukemias