24 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... test, ANA (e.g., SLE ... changes), high MCV anemia ... - Bone marrow evaluation ... #Workup #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential ... Infectious: • Acute ... disorders • Celiac disease ... Iron deficiency anemia ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... , deficiency anemia ... Vasculitides, IBD, Celiac disease ... Diagnosis #Algorithm #hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... RA, SLE, PRV, Chronic ... Normal RBCs • Acute ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... - Hemolytic anemia ... - APLS • Acute ... #Diagnosis #hematology ... #rheumatology #
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
and Evaluation ... Identification of onset (acute ... , liver, renal disease ... history #Diagnosis #EM ... #Algorithm #Ddxof
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... Blood Loss • Acute ... Disease • Marrow ... Diagnosis #Algorithm #Causes ... #Hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
chronic kidney disease ... , Acute blood loss ... morphologic #mcv #differential ... #diagnosis #causes ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... ): SS, SC, SE, Sβ ... Diagnosis #Algorithm #workup ... #hematology #testing
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
• Immunologic Workup ... Positive in 60-80% of cases ... • Evolution: ... Chronic disease ... Management #Summary #rheumatology