29 results
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - Differential ... Reactive: • Anemia ... Non-infectious (malignancy, rheumatologic ... , trauma) • Post-splenectomy ... Thrombocytosis #Differential
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... hemolysis, deficiency anemia ... Inflammatory Conditions: Rheumatologic ... infarction, Severe trauma ... Thrombocytosis #Platelets #Differential
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Post-op surgery • Trauma ... Iron deficiency anemia ... Thrombocytosis #Differential ... Algorithm #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
particular degree of anemia ... Index < 2: • Anemia ... Acute blood loss: Trauma ... Production #Index #hematology ... #anemia #differential
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain - Differential ... • Sickle Cell Anemia ... Disruption • Trauma ... Vascular #JointPain #MSK ... #Differential #
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
• Mechanical Trauma ... lactam antibiotics are ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
Schistocytes are ... In the right photo ... seen in hemolytic anemias ... microangiopathic hemolytic anemia ... is mechanical trauma
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Pelger-Huet, Macrocytic anemia ... Amy Chung, MD, MSc ... Blood #Disorders #hematology ... #Markers #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... - Hemolytic anemia ... Solar purpura - Trauma ... Vasculopathy #Purpura #Differential ... #rheumatology #
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... - **MSK rads ... Differential diagnosis ... Radiology #diagnosis #msk ... #rheumatology