51 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Supination ... Jerk - C5, C6 • Supinator ... to the radial nerve ... in the median nerve ... axillary 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
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
Winged Scapula on Physical Exam

Caused by injury to the long thoracic nerve

#Winged #Scapula #PhysicalExam #clinical #video
Physical Exam Caused ... long thoracic nerve ... PhysicalExam #clinical #video
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
thought to be caused ... the trigeminal nerve ... Most cases are congenital ... Syndrome #clinical #video
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
The Chvostek sign (/ˈkvɒstɪk/) is a clinical sign of existing nerve hyperexcitability (tetany) seen in hypocalcemia.It
sign of existing nerve ... of the facial nerve ... When the facial nerve ... hyperventilation, which causes ... #PhysicalExam #Video
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
with a left 6th nerve ... palsy Caused ... physicalexam #clinical #video
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
other potential causes ... , abducens nerve ... the condition, case ... steroids (some cases ... HZO #clinical #video