16 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
• Dietary: Iron ... Scaling, pustules, crusts ... TSH • Serum iron ... • Chronic iron ... Differential #Diagnosis #dermatology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Volume (<80 fL) • Iron ... Deficiency • ... Diagnosis #Algorithm #Causes ... #Hematology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Dietary • Iron ... deficiency ... • Zinc deficiency ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes of Anemia ... Deficiency (Eg ... Causes: Chronic ... Malabsorption, Dietary Deficiency ... #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
MCH, MCHC, Serum Iron ... Deficiency • ... B12/Folate Deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... • Early Iron ... Deficiency # ... Diagnosis #Algorithm #Causes ... #Hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Microcytic" • Iron ... deficiency • ... , Folate deficiency ... differential #diagnosis #causes ... #hematology
TAILS Mnemonic for - Causes of Microcytic Anemia
(MCV < 80)

T - Thalassemia - Inherited hemoglobinopathies
A -
inflammation impairing iron ... utilization I - Iron ... Deficiency - Most ... where the body has iron ... #Diagnosis #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... malignancy • Iron ... deficiency anemia ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... malignancies • Anemia ... (specifically: iron ... deficiency, hemolysis ... #hematology #secondary