39 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
Hip Flexion L2 ... Hip Extension S1 ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Differential Diagnosis of Pleuritic Chest Pain:

Categorized by causes: Cardiac, Pulmonary, MSK, Drug/Toxins, Heme/Onc, Renal, Autoimmune

#Diagnosis #Pleuritic
Differential Diagnosis ... Categorized by causes ... Cardiac, Pulmonary, MSK ... #Differential #Algorithm ... #Ddxof
Algorithm for the Evaluation of Diplopia: Diplopia has been explored previously on ddxof. The earlier algorithm
previously on ddxof ... identifying the paretic nerve ... This algorithm uses ... potential etiologic causes ... #Diagnosis #EM #
Piriformis Test (FAIR Test - Flexion, Adduction, and Internal Rotation)

Flex the hip to 90 degrees, then
Rotation) Flex the hip ... internally rotate the hip ... compress the sciatic nerve ... clinical #video #physicalexam ... #msk #sports #orthopedics
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Finger deformity caused ... Discharge with orthpedic ... Radiology #XRay #Diagnosis ... Management #Hand #Orthopedics ... #MSK
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
- Differential Diagnosis ... Algorithm Painful ... Demyelination • MS ... #Differential #Diagnosis ... #Algorithm #Causes
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Drop - Radial Nerve ... sleeping as in this case ... #Palsy #PhysicalExam ... clinical #video #orthopedics ... #msk #sports #neurology
Differential Diagnosis of Syncope
First, is it syncope? History is very important for distinguishing syncope from other
Differential Diagnosis ... Ask about precipitating ... #Diagnosis #EM # ... #Differential #Algorithm ... #Ddxof
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
- Differential Diagnosis ... rash) • Primary HIV ... Infectious #JointPain #MSK ... #Algorithm #Orthopedics ... #Causes
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Pathology of the Hip ... Superior gluteal nerve ... pathophysiology #causes ... symptoms #signs #diagnosis ... #msk