21 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... anemia): ... usually IgG) (e.g. lupus ... differential #diagnosis #hematology ... #anemia
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Lupus (DIL): ... , SCLE-DIL (terbinafine ... • Immunologic Workup ... • Immunologic Workup ... #table #rheumatology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... • PCH • PNH ... anemia • ... • MAHA (TTP, DIC ... #Hematology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
versus DIL • ... • Immunologic Workup ... Positive in 60-80% of cases ... life-threatening • Treatment ... Management #Summary #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... genotypes): SS, SC, SE ... platelet decrease - PNH ... Diagnosis #Algorithm #workup ... #hematology #testing
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... blood loss, Acute hemolysis ... , deficiency anemia ... Diagnosis #Algorithm #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
/TTP/HUS - Hemolytic ... anemia - Splenomegaly ... - CTD (SLE) ... Differential #Diagnosis #hematology ... #rheumatology #
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE ... autoantibodies that will cause ... Maheswaranathan, MD ... Erythematosus #SLE ... #rheumatology #
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
old, ~10,000 new cases ... cytopenias (usually anemia ... • Risks: infection ... Myelodysplastic #Syndrome #MDS ... #hematology #oncology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... SOAP) - Risks ... test, ANA (e.g., SLE ... changes), high MCV anemia ... #Workup #hematology