107 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential ... Megakaryopoiesis • Aplastic Anemia ... ITP • SLE • CLL ... Quinidine • HIT
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Pelger-Huet, Macrocytic anemia ... • Lymphoid (CLL ... Blood #Disorders #hematology ... #Markers #Differential
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell ( ... cells - Sickle cell ... Thrombotic idiopathic thrombocytopenia ... key #diagnosis #differential ... #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
- infiltrates (anemia ... , thrombocytopenia ... ) CLL Symptoms: ... mosquito bites CLL ... #Leukemia #Hematology
Approach to suspected Heparin-Induced Thrombocytopenia (HIT)

 • Suspected HIT Algorithm
 • "4 T's" clinical probability score:
Heparin-Induced Thrombocytopenia ... • "4 T's" clinical ... score: - Thrombocytopenia ... Heparin #Induced #Thrombocytopenia ... #HIT #hematology
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Exploded ganglion cell ... hypertension, diabetes, HIV ... , severe anemia ... or thrombocytopenia ... ophthalmology #Clinical
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Agent Orange or Hep ... C Clinical Presentation ... • Neutropenia, anemia ... , thrombocytopenia ... workup #oncology #hematology
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Increased red cell ... Increased red cell ... Hemolysis #Hemolytic #Anemia ... #Algorithm #Differential ... Causes #Workup #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... changes), high MCV anemia ... not required in all ... Platelet #Disorders #Differential ... Causes #Workup #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
microangiopathy: Thrombotic thrombocytopenic ... ) (e.g. lupus, CLL ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia