17 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... ) Finger: • Mexion ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... sleeping as in this case ... Nerve #Palsy #PhysicalExam ... orthopedics #msk #sports ... #neurology
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Nerve Palsy as ... cause for Wrist ... finger/wrist drop ... clinical #video #physicalexam ... #neurology
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
side of the wrist ... consisting of finger ... #Test #Reflex #neurology ... clinical #video #physicalexam ... orthopedics #msk #sports
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Medial Longitudinal ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #diagnosis
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
OD and counting fingers ... The most common causes ... the hospital, diagnosed ... #PhysicalExam # ... ophthalmology #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... • Weakness: Starts ... /constipation, hyponatremia ... Guillain-Barre Diagnosis ... #treatment #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... : • CN Ill Palsy ... dissociation • Other causes ... #neurology #ophthalmology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Well-localized, sharp, short ... regional pain syndrome ... Pain #Mechanisms #Neurology ... #Differential #Diagnosis ... #Algorithm #Causes
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
- Differential Diagnosis ... of breath • Neurologic ... : • Facial edema ... coma SIADH: • Hyponatremia ... #differential #diagnosis