20 results
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Axillary nerve injury ... , bony Bankart lesions ... neurovascular injury ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... spared in this injury ... Dislocation - May ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
dislocation WITHOUT ... Bankart lesion. ... Differential diagnosis ... capsuloligamentous injury ... #msk
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
- Differential ... Diagnosis Algorithm ... • Labral Injury ... #MSK #Differential ... #Orthopedics #Causes
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Anterior Medial Thigh ... #SpinalCord #Injury ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Stroke • Root Lesion ... Fracture • Hip dislocation ... pathophysiology #causes ... #msk
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Excessive insulation, high ... Phaeochromocytoma Neurologic ... Traumatic brain injury ... #Hyperthermia #Differential ... Anesthesia #Checklist #Diagnosis
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
SPONTANEOUS REDUCTION ... : ~25% cases. ... Neurologic deficit ... syndrome risk high ... #msk #clinical
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
Case description ... surgical repair Differential ... diagnosis: • Bankart ... Similar injury to ... #msk
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... • Trauma/Crush injury ... #diagnosis #causes ... #nephrology