16 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... Hemolytic uremic syndrome ... usually IgG) (e.g. lupus ... #differential # ... diagnosis #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... , Celiac disease ... Kawasaki, Nephrotic syndrome ... #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... Clinical Presentation ... fatigue, pallor, dyspnea ... younger pts) Differential ... #hematology #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... procedures - Infection ... changes), high MCV anemia ... Diagnosis #Causes ... #Workup #hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious ... arteritis, Cogan's Syndrome ... (RA), Systemic lupus ... Cancer, Histiocytic disorders ... #Diagnosis #rheumatology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... • Richter’s Syndrome ... leukemia • Sezary syndrome ... #workup #oncology ... #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Myelodysplastic Syndromes ... Myeloproliferative Disease ... blood count with differential ... #diagnosis #hematology ... #oncology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... develop leukostasis syndrome ... • Tumor lysis syndrome ... #Leukemia #Hematology ... #Oncology #Diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
dermatomyositis, Sjogren syndrome ... lymphoma • Evans' syndrome ... lymphoproliferative syndrome ... Shrinking lung syndrome ... #Rheumatology