8 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... nerve in the radial ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... Nerve Palsy. ... Loss of Corneal Reflex ... #Neurology #Signs ... #Symptoms #Diagnosis
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 ... Respiration None C5 Radial ... None T7-T12 See Dermatomes ... #differential #diagnosis ... #Neurology #Spine
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... damage to peroneal nerve ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
pre-axial hand ... (AIN) palsy leaves ... and thumb do not flex ... #Anatomy #diagnosis ... #neurology #orthopedics
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Nerves: Brainstem ... caseyalbin #PhysicalExam ... #neurology #comatose ... #diagnosis
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 ... Differential Diagnosis ... region (S2-S4 dermatomes ... MRI- Sagittal, axial ... #causes #neurology
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
- Differential Diagnosis ... Nerves VII, IX, ... hyperactive gag reflex ... Disorder Extra-Pyramidal ... #Dysarthria #Neurology