25 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
clumsiness in hands ... rectal reflex. ... pathophysiology #signs ... #symptoms #msk ... #orthopedics #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... • Locked-in syndrome ... threat Cranial Nerves ... • Examine for signs ... #PhysicalExam #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... aracteristic "claw hand ... " ± Horner Syndrome ... Myotomes #diagnosis #neurology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Femoral Cutaneous Nerve ... purely sensory nerve ... gait, strength, reflexes ... pathophysiology #differential ... #diagnosis #signs
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 ... spine L1-L5 Symptoms ... so-called ‘red flag’ symptoms ... #differential # ... diagnosis #causes #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... lumbar spine Signs ... of normal leg reflexes ... damage to sacral nerves ... #signs
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... • Acute stroke syndromes ... Lack of UMN/LMN signs ... #Weakness #Differential ... #Diagnosis #neurology
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... V: • TMJ syndrome ... IX can refer pain ... the following symptoms ... • Associated symptoms
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
(Wallenberg's syndrome ... Syndrome usually ... signs or symptoms ... Vertigo #Causes #differential ... #diagnosis #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... papilledema • Horner syndrome ... ) • Systemic symptoms ... and signs (e.g. ... Diagnosis #Algorithm #neurology