10 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
Extension S1 Inferior ... Gluteal Nerve Knee ... Tibial Nerve Knee ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Orthopedic Dislocations ... and Hip) - Diagnosis ... Affected hip and ... knee are flexed ... #Hip #Diagnosis
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
sail sign or posterior ... can't make A-OK sign ... Posterior long arm ... II-IV, pending orthopedic ... Radiology #XRay #Diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
head fractures are ... sail sign or posterior ... II-IV, pending orthopedic ... Radiology #XRay #Diagnosis ... #Management #Orthopedics
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... , neuropraxia (anterior ... can't make A-OK sign ... Posterior long arm ... Radiology #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... aracteristic "claw hand ... Anterior Shoulder ... #neurology #sensory ... #motor #arm #physicalexam
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
associated with signs ... • Psoriasis - Elbows ... , knees, scalp, ... Extensor surfaces of arms ... #differential #diagnosis
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
of the mastoid cavity ... mastoid air cells are ... aspect of mastoid tip ... pathophysiology #signs ... #symptoms #diagnosis
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Examine for signs ... flexed at the elbow ... caseyalbin #PhysicalExam ... #neurology #comatose
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Richard J. ... over the left anterior ... Vital signs: BP ... , and his oxygen ... over the left anterior