59 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Diagnosis Algorithm ... Myelofibrosis Infectious ... effect following treatment ... following EtOH induced thrombocytopenia ... #Causes #Hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - Differential ... Diagnosis Platelet ... (malignancy, rheumatologic ... Myelofibrosis • Chronic ... #Platelets #hematology
Thrombocytopenia - Differential Diagnosis Algorithm

Decreased production:
 • Bone marrow suppression
 • Bone marrow failure
 • Bone
Thrombocytopenia ... - Differential ... Diagnosis Algorithm ... infiltration • Infection ... #hematology #platelets
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Diagnosis Algorithm ... → Refer to hematology ... Rebound effect from treatment ... : Chronic infections ... #hematology
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
Often hard to differentiate ... distinction has HUGE treatment ... and first-line treatment ... #Comparison #Diagnosis ... #Table #Hematology
Isolated Neutropenia - Differential Diagnosis Algorithm
Chronic (>3 months):
 • Extrinsic: Vitamins
 • Intrinsic: Congenital, Inflammatory
Transient:
 •
Neutropenia - Differential ... Diagnosis Algorithm ... Chronic (>3 months ... , Non-infectious ... #hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Diagnosis Algorithm ... • Rheumatoid Arthritis ... Pseudotumor - Infectious ... Age > 50 • Chronic ... #Causes #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential ... Diagnosis Algorithm ... Vasculitis • Infection ... #Causes #Hematology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Diagnosis Algorithm ... Antineoplastic Viral Infection ... Idiopathic - Chronic ... • Rheumatoid Arthritis ... #Causes #Hematology
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
• Rheumatoid arthritis ... disorders: • Chronic ... infections • ... Rheumatoid #Factor #RF #rheumatology ... #diagnosis