36 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... to the radial nerve ... Carpal Tunnel Syndrome ... in the median nerve ... axillary nerve
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
- Jaw Winking Syndrome ... Jaw-winking syndrome ... thought to be caused ... the trigeminal nerve ... #clinical #video
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central Causes ... Vertigo Peripheral Causes ... - Vestibular Nerve ... Vestibulocochlear Nerve ... (CN VIII): Vestibular
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Ill (Oculomotor) Nerve ... (Trochlear) Nerve ... (Abducens) Nerve ... One-and-a-half Syndrome ... Skew Deviation Casey
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... • Budd-Chiari syndrome ... Irritable bowel syndrome ... cutaneous nerve ... artery compression syndrome
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... other potential causes ... Orbital Apex Syndrome ... Orbital #Apex #Syndrome ... HZO #clinical #video
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... arcuate ligament syndrome ... cutaneous nerve ... Ehlers-Danlos Syndrome ... radicular pain #Rare #Causes
Pneumoperitoneum from perforated duodenal ulcer on RUQ POCUS

Male with severe RUQ abdominal pain. Answer in thread.
duodenal ulcer on RUQ POCUS ... with severe RUQ abdominal ... of Chilaiditi syndrome ... duodenal #ulcer #RUQ #POCUS ... clinical #ultrasound #Abdominal
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Biceps - C5, C6 ... • Triceps - C6 ... • Cauda Equina Syndrome ... Commonly caused ... damage to peroneal nerve
Inherited Non-hemolytic Disorders of Hyperbilirubinemia 

== Disorders of Conjugation ==
Gilbert Syndrome:
 • 5-10% of the population
symptoms, such as abdominal ... : • Type I CN ... encephalopathy • Type II CN ... 7-20 mg/dL • CN ... and stress may cause