136 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
of Chronic Disease ... of Chronic Disease ... , Chronic Infection ... #MCV #Classification ... Algorithm #Causes #Hematology
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 ... Myelofibrosis • Chronic
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Chronic disease ... anemia (sometimes ... myeloma Rouleaux: Chronic ... Multiple myeloma, Chronic ... differential #diagnosis #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
hemolysis, deficiency anemia ... Rebound effect from treatment ... Inflammatory Conditions: Rheumatologic ... Vasculitides, IBD, Celiac disease ... : Chronic infections
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Myelofibrosis Infectious ... : • Acute or Chronic ... disorders • Celiac disease ... effect following treatment ... Iron deficiency anemia
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
deficiencies: Chronic ... kidney disease, ... (e.g. cancer, infection ... G6PD deficiency), Infections ... Production #Index #hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Anemia - Underproduction ... - Anemia of chronic ... of chronic kidney ... disease - Vitamin ... Underproduction #Algorithm #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
RBCs on Smear • Chronic ... • Anemia of Chronic ... Disease • Marrow ... #Classification ... Algorithm #Causes #Hematology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... malignomas, and infectious ... syndrome induced by chronic ... dermatomyositis #Size #Classification ... Vessels #Diagnosis #Rheumatology
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... - HIV infection ... hemolytic anemia ... Chronic thromboembolic ... Hypertension #PHTN #Classification