12 results
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Weakness with Sensory ... Compression: • Carpal ... #Neurology #Differential ... #Causes
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
it is not all carpal ... • Carpal tunnel ... and thumb do not flex ... exam to carpal ... Anatomy #diagnosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Differential Diagnosis Algorithm ... Consciousness • Cranial Nerve ... #Hemiplegia #Neurology ... #Causes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... Carpal Tunnel Syndrome ... axillary nerve ... Myotomes #diagnosis #neurology ... #sensory #motor
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
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
pupillary light reflex ... impaired (loss of sensory ... ) Where: Optic nerve ... * (main cause), ... #Defect #RAPD #neurology
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 ... and/or genital sensory ... - Emergency Causes ... extremity weakness and sensory ... #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
other potential causes ... fissure and optic canal ... the condition, case ... clinical #video #ophthalmology ... #physicalexam #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
threat Cranial Nerves ... • Gag reflex ... brainstem Motor/Sensory ... Casey Albin MD @ ... #PhysicalExam #neurology
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
Causes of Dysarthria ... Lesions of Cranial Nerves ... hyperactive gag reflex ... Disorder Extra-Pyramidal ... #Dysarthria #Neurology