116 results
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... and non-hematologic ... malignancies • Infection ... Diagnosis #Algorithm #Causes ... #Hematology
Medial Approach Knee Intra-articular Corticosteroid Injection 

Landmark 1/3 to 1/2 way from top of patella. Find
Corticosteroid Injection ... Corticosteroid #Injection ... physicalexam #procedure #msk ... #orthopedics #sports ... #rheumatology
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Causes of Leukocytosis ... Lymphocytosis: Infection ... • Monocytosis: Infection ... Differential #Diagnosis #causes ... #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
deficiency) • Infection ... Non-infectious (malignancy, rheumatologic ... Differential #Diagnosis #causes ... #Platelets #hematology
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
Tetanus Toxin -> Spores ... metabolites induce injury ... invade URT & via hematologic ... CNS and hematologic ... lymph -> Koplik's spots
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Lachman test in ACL Injury ... That causes the ... test #ACL #Knee #Injury ... #PhysicalExam #Sports ... cruciate #ligament #msk
Causes of Hyperferritinemia - Differential Diagnosis
Ferritin > 1000
Ferritin is the storage form of iron. Increased hepcidin
Hepatocellular injury ... Infection -16% ... Hepatocellular Injury ... Infection - 46% ... Hematologic Malignancy
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
disorders, or other causes ... • Secondary Causes ... SLE) - Viral infections ... Differential #Diagnosis #hematology ... #rheumatology #
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... Anterior • Infection ... Axillary: • Infection ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Dorsal Foot Corticosteroid Injection

Uncommon dorsum of foot injection. Try to move fluid in tendon to see
Corticosteroid Injection ... dorsum of foot injection ... physicalexam #procedure #msk ... #orthopedics #sports ... #rheumatology