61 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... spared in this injury ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Pain - Differential ... Diagnosis Algorithm ... #Pain #Differential ... #Diagnosis #Algorithm ... #MSK
Shoulder Exam - Provocative Testing

Supraspinatus muscle injury:
 - Jobe’s Test
 - Hawkin’s Test
 - Drop Arm
Shoulder Exam - ... Supraspinatus muscle injury ... Yergason Test #Diagnosis ... #PhysicalExam # ... Shoulder #Testing
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
- Radial Nerve Injury ... - Ulnar Nerve Injury ... - Median Nerve Injury ... Injuries #Anatomy #Differential ... #Diagnosis #MSK
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 ... Dorsiflexion Knee Jerk ... #SpinalCord #Injury ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
of Electrical Injury ... coma, spinal cord injury ... ED arrival MSK ... dislocations (posterior shoulder ... Electricity #Evaluation #Diagnosis
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Anterior Shoulder ... Axillary nerve injury ... neurovascular injury ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Hippocratic Shoulder Reduction 
Shoulder reduction is the process of returning the shoulder to its normal position
Hippocratic Shoulder ... Reduction Shoulder ... axillary nerve injury ... #Reduction #MSK ... #PhysicalExam #
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
of acute kidney injury ... causes of AKI should ... #Diagnosis #AKI ... Acute #Kidney #Injury ... #Differential #
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
Capsulitis (Frozen Shoulder ... injury (i.e. post ... shoulder surgery ... pathophysiology #diagnosis ... stages #staging #msk