19 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Acute spinal cord injury ... in spinal cord injury ... #differential # ... diagnosis #table #neurology
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
(finger flexor reflex ... indicating cervical injury ... #hand #video #physicalexam ... #orthopedics #neurology ... #sports
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Fasciculus (MLF) Iniury ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Anatomic Location - Differential ... - Obscure Red Reflex ... - Cotton wool spots ... Diagnosis #Algorithm #Causes ... #Ophthalmology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Pathophysiology: • Severe injury ... Awareness • Injury ... Casey Albin MD @ ... caseyalbin #PhysicalExam
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
the pupillary reflex ... regarding the cause ... afferent pathway injury ... Pupillary #Defect #Neurology ... Pupils #MacrusGunn #PhysicalExam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... Erb's Palsy is caused ... spared in this injury ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Well-localized, sharp, short ... • Spinal injury ... Pain #Mechanisms #Neurology ... #Differential # ... Diagnosis #Algorithm #Causes
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Framework and Management ... Summary Causes ... #causes #treatment ... #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology