31 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
RBC) Morphology ... Burr Cell RBC (Echinocyte ... Bite Cell RBC: G6PD ... #Morphology #differential ... #diagnosis #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
RBC) Morphology ... - Sickle cell anemia ... coagulopathy (DIC) #RBC ... key #diagnosis #differential ... #hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Reactive: - Systemic ... Inflammatory • Systemic ... (Pancytopenia, WBC ... Lymphocytic Leukemia (CBC ... Reed-Sternberg Cells
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
RBCs Decreased RBC ... Infiltration Increased RBC ... Thalassemia • RBC ... Disorder • RBC ... #Classification
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Volume (MCV) - Differential ... Polychromatic Macrocytes, RBC ... Spherocytes, RBC ... , Target Cells ... #Differential #
Age-Focused Initial Evaluation for Pyoderma Gangrenosum 

All Patients: 
 - A thorough history and physical examination
Age-Focused Initial Evaluation ... mycobacterial) - CBC ... with differential ... #Gangrenosum #Workup ... #Dermatology #Diagnosis
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... hypertension • Unusual RBC ... acanthocytes - Consider RBC ... Diagnosis #Algorithm #workup
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Leukocytosis - Differential ... hepatomegaly • Labs: anemia ... platelets, persistent WBC ... predominant immature cells ... #WBC #Leukemoid
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Pelger-Huet, Macrocytic anemia ... bcr-able (+) ↑ WBC ... Blood #Disorders #hematology ... #Markers #Differential
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Even with normal WBC ... relative to both WBC ... 21% had normal WBC ... count on initial evaluation ... #CBC #hematology