616 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... to the radial nerve ... "Saturday night ... in the median nerve ... axillary nerve
Saturday Night Palsy
Compression of Radial nerve in axilla or upper arm in patient sleeping with arm
Saturday Night Palsy ... Compression of Radial nerve ... compression by crutch #Saturday ... neurology #radial #nerve
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Drop - Radial Nerve ... of the radial nerve ... sleeping as in this case ... sleep paralysis or Saturday ... #Drop #Radial #Nerve
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Differential Diagnosis Algorithm ... Sparing = Central cause ... (2% of facial nerve ... Differential #Diagnosis #Algorithm
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Differential Diagnosis Algorithm ... Abnormalities of the Optic Nerve ... Abnormalities of the Optic Nerve ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Differential Diagnosis Algorithm ... a mass as the cause ... Trauma Cranial Nerve ... Trauma Cranial Nerve ... Differential #Diagnosis #Algorithm
Causes of Nausea and Vomiting - Differential Algorithm #Diagnosis #EM #IM #Causes #Nausea #Vomiting #Differential #NonGI
Causes of Nausea ... - Differential Algorithm ... Diagnosis #EM #IM #Causes ... #Nausea #Vomiting ... Differential #NonGI #Algorithm
Algorithm for the Evaluation of Diplopia: Diplopia has been explored previously on ddxof. The earlier algorithm
Algorithm for the ... The earlier algorithm ... identifying the paretic nerve ... This algorithm uses ... potential etiologic causes
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Critical and Emergent Causes ... - Peripheral nerve ... - Peripheral nerve ... Differential #Neurology #Causes
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... of Facial Nerve ... the commonest cause