11 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Anterior Interosseous ... Peripheral Nerve ... @bobvarkey #Anterior ... #physicalexam # ... msk #sports #neurology
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Etiologies of Peripheral ... • Infectious: HIV ... Paraprotein-associated (POEMS syndrome ... #Neuropathy #differential ... diagnosis #causes #neurology
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
Peripheral Edema ... - Differential ... common iliac artery anteriorly ... #Edema #differential ... Lower #Extremity #PhysicalExam
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Well-localized, sharp, short ... lancinating - Peripheral ... regional pain syndrome ... Pain #Mechanisms #Neurology ... #Differential #
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... vertigo (BPPV) - Short-lived ... (Wallenberg's syndrome ... Syndrome usually ... Vertigo #Causes #differential
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... syphilis, and HIV ... tracts in the anterior ... #lesions #differential ... #diagnosis #neurology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
- SLE Neurologic ... Lyme disease • Peripheral ... Heberden's nodes (DIP ... • Diminished peripheral ... #joint #pain #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Lesions Of The Peripheral ... parainfluenza, Coxsackie, HIV ... #Weakness #Differential ... #Diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Anterior Shoulder ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
L5/S1 with an inferior ... constipation Differential ... cord infarct • HIV ... #differential # ... diagnosis #causes #neurology