64 results
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
patient) - 90% - Differential ... Audiogram - Perform MRI ... Cochlear or Auditory Nerve ... • Metabolic Causes ... #subjective #Differential
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... • Wrist Drop - Radial ... Nerve Injury • ... Injuries #Anatomy #Differential ... #Diagnosis #MSK
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Weakness - Differential ... = Central cause ... (2% of facial nerve ... Facial #Weakness #Differential
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... Damage to C8 and T1 leading ... nerve in the radial ... in the median nerve ... axillary nerve
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... : ○ Cranial nerves ... cause unknown) ... Noise trauma ○ MS ... #Loss #Differential
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... Nerve Palsy on ... nerve in its path ... sleeping as in this case ... #orthopedics #msk
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Vision Loss - Differential ... Abnormalities of the Optic Nerve ... Abnormalities of the Optic Nerve ... Demyelination • MS ... Diagnosis #Algorithm #Causes
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Tumor • Motor Nerves ... multiplex, Phrenic nerve ... #differential #
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... external ear, sparing ... Tumor Cranial nerve ... the tragus to differentiate ... Otolaryngology #differential
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... Case description ... - **MSK rads ... Differential diagnosis ... Radiology #diagnosis #msk