24 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
• Rheumatic disorders ... effect following treatment ... malignancy • Iron deficiency ... anemia #Thrombocytosis ... #Causes #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... • Dietary Deficiency ... • Small Bowel Disorder ... Myelodysplastic Syndromes ... #Causes #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Differential Diagnosis Algorithm ... • B12/Folate Deficiency ... • RBC Membrane Disorder ... RBC Metabolism Disorder ... #Causes #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic Anemia ... • Folate Deficiency ... Non-lmmune: • HELLP Syndrome ... #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... specifically: iron deficiency ... Chronic inflammatory disorders ... Myelodysplastic syndrome ... #hematology #secondary
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... Kasabach-Merritt syndrome ... necrosis) • VIT K deficiency ... Gardner-Diamond syndrome ... Differential #Diagnosis #hematology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... Spoon-shaped • Iron deficiency ... • Nephrotic syndrome ... Differential #Diagnosis #Algorithm ... #causes
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Neoplastic / Hematologic ... • Anemia • ... Pulmonary Disease Neurologic ... • Somatization Disorder ... Chronic Fatigue Syndrome
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Differential Diagnosis Algorithm ... Acute hemolysis, deficiency ... anemia, Rebound ... effect from treatment ... Kawasaki, Nephrotic syndrome
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... lymphoproliferative disorders ... G6PD deficiency) ... differential #diagnosis #hematology ... #anemia