70 results
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Innervation of Muscles Shoulder ... Axillary Nerve Shoulder ... Radial Nerve Fingers ... Median Nerve Fingers ... #MuscleGroups #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Mallet Finger Absence ... exclude Mallet finger ... • Finger deformity ... #Radiology #XRay ... #Orthopedics #MSK
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Wide (1) VT - DANGER ... B Afib + WPW - DANGER ... Vfib/flutter - DANGER ... (2) Sick Sinus Syndrome ... electrocardiogram #cardiology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
• Colles (90% "dinner ... carpal tunnel syndrome ... reduction using finger ... Colles #Distal #Radiology ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... , C8 (radial) Finger ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Anterior Shoulder
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Anterior Shoulder ... Management The shoulder ... joint, 95% of shoulder ... Dislocation #Anterior #Radiology ... Orthopedics #Sports #MSK
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
ED arrival MSK ... dislocations (posterior shoulder ... compartment syndrome
Shoulder Impingement Syndrome (SIS): Signs and Symptoms

Repetitive Overhead Activity, Scapular Dyskinesis -> Scapulohumeral mechanics become altered
Shoulder Impingement ... Syndrome (SIS): ... Impingement Syndrome ... #Impingement #Syndrome ... signs #symptoms #msk
Vertebral Body Abnormalities

A sheet of common (and uncommon) vertebral body findings, because a completely “normal” spine
Vertebra Hurler Syndrome ... Morquio Syndrome ... Abnormalities #Radiology ... #MSK #Pathology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... dorsally and no longer ... Wrist #Carpal #Radiology ... Orthopedics #Sports #MSK