23 results
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
injuries: Axillary nerve ... greater tuberosity fracture ... Bankart lesions (5%, fracture ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... saddle (perineal) anesthesia ... damage to peroneal nerve ... such as fibular fracture ... Dermatomes #Myotomes #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Motor Function Shoulder ... Anterior Shoulder ... regimental badge" anesthesia ... Dermatomes #Myotomes #diagnosis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Leg Pain: • Fracture ... #differential #diagnosis ... #lower #extremity ... #msk #physicalexam
Hippocratic Shoulder Reduction 
Shoulder reduction is the process of returning the shoulder to its normal position
Hippocratic Shoulder ... of associated fractures ... risk of axillary nerve ... #Reduction #MSK ... #Orthopedics #clinical
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
ED arrival MSK ... - Fractures, dislocations ... (posterior shoulder ... Electricity #Evaluation #Diagnosis ... Management #Emergency #Algorithm
Interscalene Nerve Block on POCUS
Fracture/dislocation of a shoulder. Pt hypoxic/hypovent due to opiates. When your rock
Interscalene Nerve ... Block on POCUS Fracture ... dislocation of a shoulder ... #pain #local #anesthesia ... #msk
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... , median nerve injury ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... • S - Saddle anesthesia ... Differential Diagnosis ... distinguishing feature ... #differential #diagnosis
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... Pathogenesis, clinical ... Structural damage to nerves ... #Dislocation #Diagnosis ... signs #symptoms #msk