58 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Triquetral Fracture ... The triquetrum ... fractured carpal bone ... common carpal bone ... Orthopedics #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Scaphoid - 50-80% • Triquetral ... drdevrad #Carpal #Bone ... frequency #radiology #msk
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Lymphocytosis: Infection ... • Neutropenia: Infections ... Drugs, Autoimmune, Bone ... • Monocytosis: Infection ... Diagnosis #causes #hematology
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal Bones ... Hamate - 2 Months Triquetral ... of the carpal bones ... #Age #Carpal #Bones ... mnemonic #diagnosis #msk
Symptoms of Hypophosphatemia
 • CNS: Seizures, Delirium, Paresthesias, Central & extrapontine myelinolysis, Hallucinations, Fatigue
 • Hematologic:
Hallucinations, Fatigue • Hematologic ... Heart failure • Bones ... Growth retardation, Bone ... pain • MSK: Proximal
Thrombocytopenia - Differential Diagnosis Algorithm

Decreased production:
 • Bone marrow suppression
 • Bone marrow failure
 • Bone
production: • Bone ... suppression • Bone ... marrow failure • Bone ... infiltration • Infection ... Diagnosis #Algorithm #hematology
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
Bone Tumor Location ... degenerative subchondral bone ... Enchondroma and infections ... #Bone #Tumor #Location ... Epiphysis #Radiology #MSK
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
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Hypoproliferative (i.e. bone ... Hypogonadism • Bone ... (e.g. cancer, infection ... Hyperproliferative (i.e. bone ... Production #Index #hematology
Anterior Shoulder Dislocation Pre and Post-Reduction on Point of Care Ultrasound (POCUS)

Using #POCUS to identify an
For an added bonus ... intra-articular lidocaine injection ... Ultrasound #Cinical #MSK