110 results
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
of chronic kidney ... Megaloblastic: Vitamin B12 ... Myelodysplastic syndrome ... differential #diagnosis #causes ... #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... of Chronic Disease ... (>100 fL) • B12 ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... : • Acute or Chronic ... effect following treatment ... Iron deficiency anemia ... #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... - Low Serum B12 ... Myelodysplastic Syndromes ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic Anemia ... Megakaryopoiesis • B12 ... Non-lmmune: • HELLP Syndrome ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Kawasaki, Nephrotic syndrome ... • Infections: Chronic ... Diagnosis #Algorithm #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... malignancies • Anemia ... hemorrhage) • Chronic ... Myelodysplastic syndrome ... #hematology #secondary
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
RBCs on Smear • Chronic ... Deficiency • B12 ... • Anemia of Chronic ... Diagnosis #Algorithm #Causes ... #Hematology
Korsakoff Syndrome
Clinical Findings:
 • Confabulation: Usually initial phase of the disease
 • Anterograde amnesia: Memory impairment
Korsakoff Syndrome ... Chronic presentation ... Therefore, Korsakoff Syndrome ... neudrawlogy #Korsakoff #Syndrome ... #neurology #diagnosis
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
hemolytic-uremic syndrome ... crisis • Severe B12 ... macroangiopathic hemolytic anemia ... " • HELLP syndrome ... differential #diagnosis #hematology