10 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... axillary nerve ... regimental badge" anesthesia ... #UpperLimb #Extremity ... sensory #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... saddle (perineal) anesthesia ... Commonly caused ... damage to peroneal nerve ... sensory #motor #leg #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Spinal stenosis/nerve ... cyanosis - Cool extremity ... Paralysis 4) Paresthesia ... diagnosis #lower #extremity ... #msk #physicalexam
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 ... nystagmus #ocular #physicalexam ... video #neurology #ophthalmology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... • S - Saddle anesthesia ... - Emergency Causes ... or absent lower extremity ... differential #diagnosis #causes
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
other potential causes ... the condition, case ... steroids (some cases ... clinical #video #ophthalmology ... #physicalexam #
A 70-year-old woman attends a check-up with a family doctor. As a background, he has a
the peripheral nerve ... initiating trains of nerve ... skeletal muscles to cause ... Trousseau #Sign #PhysicalExam ... #Clinical #Photo
Left oculomotor paralysis probably of ischemic cause.

via @neurologiabr

#oculomotor #nerve #paralysis #palsy #CNIII #CN3 #clinical #video #neurology
probably of ischemic cause ... #oculomotor #nerve ... video #neurology #ophthalmology ... #PhysicalExam
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
In this case, the ... than 3mm in this case ... suggest oculomotor nerve ... clinical #video #ophthalmology ... #physicalexam #
Superior Oblique Myokymia 
Eye movement disorder where the superior oblique twitches periodically causing jumping of a
It is probably caused ... the trochlear nerve ... oblique #myokymia #Ophthalmology ... #Clinical #physicalexam