60 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Causes of Leg Pain ... Trauma • Crush injury ... #differential # ... lower #extremity #msk
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... injury, Sarcoid ... #differential # ... diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Fasciculus (MLF) Iniury ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... Case description ... hallucis longus Differential ... #diagnosis #msk
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Well-localized, sharp, short ... syndrome - Deafferentation ... • Spinal injury ... #Neurology #Differential ... Diagnosis #Algorithm #Causes
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... - Ramsay Hunt syndrome ... V: • TMJ syndrome ... vision or black spots ... the tragus to differentiate
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Guillain–Barré syndrome ...  Most common cause ... Differential diagnosis ... prominent cranial nerve ... Transverse myelitis: Pain
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... Immune mediated injury ... Post-infectious GN - Loin pain ... : • Flank pain ... #urology #nephrology
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Radiology Imaging ... Case description ... Differential diagnosis ... Plantar plate injury ... foot #clinical #mri
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... damage to sacral nerves ... suspected, immediate MRI ... #MSK #pathophysiology