79 results
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Reactive: • Anemia ... deficiency) • Infection ... Sepsis • Non-infectious ... (malignancy, rheumatologic ... causes #Platelets #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... TPO, TPO-RA • Infections ... : Chronic infections ... and viral infections ... Diagnosis #Algorithm #hematology
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... - Differential ... Hypersplenism, Infection ... #Differential # ... Diagnosis #Algorithm #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
parvovirus B19 infection ... parvovirus B19 infection ... #joint #pain #skin ... #rashes #differential ... #diagnosis #rheumatology
Causes of Hemolytic Anemia - Differential Diagnosis
Inherited
 • Membrane
 • Internal
    - Hemoglobin
Causes of Hemolytic Anemia ... - Differential ... Internal - Infectious ... #Differential # ... Diagnosis #Causes #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
(e.g. cancer, infection ... Index > 3: • Acute ... G6PD deficiency), Infections ... Production #Index #hematology ... #anemia #differential
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... relapsing fever, acute ... HIV infection, ... , Lassa fever, acute ... • Abdominal pain
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... SLE) - Viral infections ... Infectious Purpura ... #Diagnosis #hematology ... #rheumatology #
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Pancytopenia - Differential ... malignancies • Infection ... Toxins • Aplastic Anemia ... #Neutropenia #Differential ... Algorithm #Causes #Hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Lymphadenopathy - Differential ... Pseudotumor - Infectious ... History of Bleeding, Infection ... Fatigue • Acute ... Algorithm #Causes #Hematology