122 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Lung Disease - Differential ... , Nocardia Chronic ... 12 weeks): • Chronic ... Algorithm #lesion #pulmonary ... #differential
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Corpuscular Volume (MCV ... ) - Differential ... Infection) High ... Classification #Differential ... Algorithm #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Polycythemia Vera • Chronic ... Myelofibrosis Infectious ... : • Acute or Chronic ... Thrombocytosis #Differential
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - Differential ... deficiency) • Infection ... Sepsis • Non-infectious ... Myelofibrosis • Chronic ... causes #Platelets #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... Thrombocytosis): • Acute infection ... hemorrhage) • Chronic ... myeloid leukemia (CML ... Diagnosis #Causes #hematology
Isolated Neutropenia - Differential Diagnosis Algorithm
Chronic (>3 months):
 • Extrinsic: Vitamins
 • Intrinsic: Congenital, Inflammatory
Transient:
 •
Neutropenia - Differential ... Diagnosis Algorithm Chronic ... Inflammation: Infectious ... , Non-infectious ... Diagnosis #Algorithm #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Approach to Anemia - Differential ... RBCs on Smear • Chronic ... • Anemia of Chronic ... Classification #Approach #Differential ... Algorithm #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... • Nonmalignant hematologic ... : Chronic infections ... Thrombocytosis #Platelets #Differential
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Approach to Anemia - Differential ... Microcytic (MCV ... Macroangiopathic, Infections ... #Algorithm #Differential ... #Diagnosis #hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Lymphadenopathy - Differential ... Pseudotumor - Infectious ... History of Bleeding, Infection ... Age > 50 • Chronic ... Algorithm #Causes #Hematology