62 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... is caused by damage ... Saturday night palsy ... " is a common cause ... Dermatomes #Myotomes #diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Oculomotor) Nerve Palsy ... ) Nerve palsy ... ) Nerve palsy • ... Skew Deviation Casey ... #differential #diagnosis
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... VI palsy) • ... VI palsy) # ... #Differential #Diagnosis ... #Causes #Ophthalmology
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
Bell's Palsy - Diagnosis ... ) Palsy Presentation ... inflammatory cause ... 4m #Bells #Palsy ... #Treatment #Neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... • CN VI palsy ... Ill palsy ... a mass as the cause ... #Algorithm #Causes
Causes of Nausea and Vomiting - Differential Diagnosis Framework

Chemoreceptor Trigger Zone/Area Postrema:
 • Drugs:
	- Chemo agents
	-
Causes of Nausea ... - Differential Diagnosis ... Hyperthyroidism Cortex/CNS ... #differential #diagnosis ... #causes #gastroenterology
Oropharyngeal and Esophageal Causes of Dysphagia - Differential Diagnosis
Oropharyngeal Dysphagia
 • Neuromuscular causes: CVA/CNS tumor/ALS, Parkinson's,
and Esophageal Causes ... - Differential Diagnosis ... : CVA/CNS tumor/ ... #Differential #Diagnosis ... #causes #gastroenterology
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... : ß-blockers, CNS ... #bradycardia #Causes ... #differential #diagnosis ... infectiousdiseases #table
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... , swelling • Treatment ... upper lid • Cause ... #Clinical #Diagnosis ... Chalazion #Comparison #Table
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
females Differential Diagnosis ... : • CN Ill Palsy ... dissociation • Other causes