11 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... Myotomes #diagnosis #neurology ... #sensory #motor
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
PalsyCN IV ... palsyCN VI ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
arises from C5, C6 ... The first motor ... • Thus a PIN palsy ... (or PIN) palsy ... Anatomy #diagnosis #neurology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... Spinal Root Sensory Motor ... C6 Dorsal Thumb ... Wrist Extension ... differential #diagnosis #Neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
CN VI palsy ... Ill palsy ... • Neurologic ... a mass as the cause ... #Ophthalmology
Left oculomotor paralysis probably of ischemic cause.

via @neurologiabr

#oculomotor #nerve #paralysis #palsy #CNIII #CN3 #clinical #video #neurology
probably of ischemic cause ... #oculomotor #nerve ... #paralysis #palsy ... #video #neurology ... #ophthalmology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
threat Cranial Nerves ... Arms extended; wrists ... from the body; wrists ... Casey Albin MD @ ... #PhysicalExam #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... damage to peroneal nerve ... Myotomes #diagnosis #neurology ... #sensory #motor
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
status, and focal neurologic ... Demyelinating disease caused ... Symptoms: AMS, motor ... hearing loss, palsy ... of the abducens nerve
Pathogenesis of Select Causes of Constipation in Adults and in Elderly

 • Mechanical (ex. Bowel Obstruction,
Pathogenesis of Select Causes ... Demyelination of CNS ... Dysfunction of autonomic nerves ... Digestion and colonic motor ... sphincter fail to relax