10 results
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Normal Blood Smear ... Increased Requirement (e.g ... elevatedMCV #Differential ... #Causes #Hematology
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes of Anemia ... Iron Deficiency (Eg ... Other • e.g ... elevatedMCV #Differential ... #Causes #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
deficienies Labs: - Basic ... function test, ANA (e.g ... changes), high MCV anemia ... Diagnosis #Causes ... #Workup #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... (e.g. autoimmune ... Myelodysplastic syndrome ... #Diagnosis #Causes ... #hematology #secondary
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... lymphoproliferative disorders ... #differential # ... diagnosis #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell ( ... Chemotherapy (e.g ... Unstable hemoglobin disorders ... RBC #Morphology #differential ... #diagnosis #hematology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... Iron deficiency anemia ... halt nail growth (e.g ... Systemic #Secondary #dermatology ... #causes
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
, eg, cyclic neutropenia ... Megaloblastic anemia-rare ... including white blood ... #diagnosis #causes ... #hematology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... altered colour e.g ... a generalized disorder ... nettle sting #Diagnosis ... #Dermatology #Skin
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Diagnosis Framework ... Electrolyte Disorders ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram