22 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
Left Wrist Drop ... sleeping as in this case ... Nerve #Palsy #PhysicalExam ... orthopedics #msk #sports ... #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... ("saucer"). ... dorsally and no longer ... Radiology #XRay #Diagnosis ... #Orthopedics #Sports
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
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
demonstrating Radial ... Nerve Palsy as cause ... nerve palsy with finger ... clinical #video #physicalexam ... #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
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 ... #cancer
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
referred in for facial ... consistent with a diagnosis ... experience, the cause ... ophthalmology #physicalexam ... #neurology #Anisocoria
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
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Differential Diagnosis ... - Ramsay Hunt syndrome ... hematoma, lung cancer ... vision or black spots ... #differential #diagnosis