228 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... palsy" is a common cause ... Tunnel Syndrome - Causes ... Anterior Shoulder Dislocation ... - May cause axillary
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Differential Diagnosis Algorithm ... and non-hematologic ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic Algorithm ... and Causes Increased ... red cell production ... #Differential #Causes ... #Workup #Hematology
Reduction of Patellar Dislocation 
Most patellar dislocations are lateral, and they often reduce on their own.
Reduction of Patellar ... Dislocation Most ... patellar dislocations ... • usually pain meds ... • obtain post-reduction
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Differential Diagnosis Algorithm ... Non malignant hematologic ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Differential Diagnosis Algorithm ... blisters, possibly crusts ... Vesiculobullous #SkinRash #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Interphalangeal Joint Dislocation ... Interphalangeal joint dislocations ... involved and the dislocation ... , due to EDS and ... Digital block and reduction
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... • Decreased Production ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
weakness & asymmetric reduction ... cause quadriplegia ... invade URT & via hematologic ... CNS and hematologic ... #Immunization #peds
Causes of Thrombocytopenia.
Platelet counts may be depressed because of decreased production or due to increased platelet
Causes of Thrombocytopenia ... because of decreased production ... #Diagnosis #Hematology ... #Differential #Causes ... #Production #Destruction