118 results
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Rotator Cuff Syndrome ... Causes: Calcific ... Rotator #Cuff #Syndrome ... orthopedics #diagnosis #sports ... #MSK #anatomy #
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Dizziness - Central ... Differential Diagnosis Central ... • Cogan's syndrome ... toxicity • Otitis media ... Amy Chung, MD, MSc
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... in the median nerve ... Myotomes #diagnosis #neurology
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... • Obstructive/CentraI ... Medical/Psychiatric ... Disorders • Neurologic ... Parkinson's, MS)
Hyperthermia Syndromes Comparison
Serotonin Syndrome - NMS - Malignant Hyperthermia - Malignant Catatonia
Cause - Onset - Vitals
Hyperthermia Syndromes ... Comparison Serotonin Syndrome ... Malignant Catatonia Cause ... Tone - Reflexes - Mental ... #Hyperthermia #Syndromes
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo ... Peripheral Causes ... Causes (Uncommon ... #diagnosis #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... oscillopsia) • Otitis Media ... Bone Fracture Central ... Dysfunction - Imbalance, neurologic ... Dizziness #Vertigo #Neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... compression of the radial ... sleeping as in this case ... #orthopedics #msk ... #sports #neurology
Causes of Developmental Delay - Differential Diagnosis Algorithm
Isolated Domain Delay - Reduced Respiratory Drive:
 • Cognitive
Causes of Developmental ... Cognitive Impairment (Mental ... Developmental Delay: • Syndromic ... Landau-Kleffner Syndrome ... Diagnosis #Algorithm #Causes
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Otalgia: • Otitis media ... 10%) • Otitis media ... - Ramsay Hunt syndrome ... , lung cancer, central ... vision or black spots