9 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... Toxic Damage (e.g ... Displacement (e.g ... Foreign Surface (e.g ... Algorithm #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Extravascular #Causes #differential ... #diagnosis #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... malignancies • Anemia ... inflammatory disorders (e.g ... Myelodysplastic syndrome ... Diagnosis #Causes #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Volume (MCV) - Differential ... Increased Requirement (e.g ... Myelodysplastic Syndromes ... #elevatedMCV #Differential ... Algorithm #Causes #Hematology
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
infiltration (e.g ... Rare disorders, e.g ... - Vasculitis, e.g ... Bruising #Causes #peds ... #differential #
Pyogenic liver abscess in children
Common bacterial causes in children:
 • S.aureus
 • Strep spp
 • Enteric
Hepatic artery (e.g ... liver #abscess #pediatrics ... #children #peds ... #differential # ... diagnosis #hepatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... • Malignancy (e.g ... . hematologic) ... Endocrine disorders (e.g ... lymphopenia, low PLT • Anemia
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
Neutropenia - Differential ... Constitutional disorders, eg ... Chediak-Higashi syndrome ... Megaloblastic anemia-rare ... diagnosis #causes #hematology
Helpful Clinical Features in Evaluating Bleeding Disorders
Age of onset
 • Neonate - in 20% of haemophilias,
Drug history, e.g ... connective tissue, e.g ... Marfan syndrome, ... #pediatrics #diagnosis ... #hematology #primarycare