52 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Conditions Erb's Palsy ... Saturday night palsy ... regimental badge" anesthesia
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Nerve Palsy ... grip weakness caused ... by ulnar nerve ... #Nerve #Palsy # ... clinical #video
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
artery aneurysms Nerve ... Causes of Leg Pain ... Spinal stenosis/nerve ... Infections causing nerve ... Paralysis 4) Paresthesia
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... dysfunction, saddle paresthesia ... constitutional symptoms ... deficits, nocturnal pain ... • Cauda Equina Syndrome
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... spine Signs / Symptoms ... Incontinence • Saddle Anesthesia ... damage to sacral nerves
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Ramsay Hunt syndrome ... Temporomandibular joint syndrome ... V: • TMJ syndrome ... the following symptoms ... • Associated symptoms
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm Clinical ... • CN VI palsy ... ptosis with CN Ill palsy ... • Neurologic symptoms ... a mass as the cause
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... - May involve symptoms ... Abdominal cutaneous nerve ... incisional hernias: clinical ... #Rare #Causes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... spine L1-L5 Symptoms ... so-called ‘red flag’ symptoms ... • S - Saddle anesthesia ... - Emergency Causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... Lower motor neuron symptoms ... Upper motor neuron symptoms ... Impotence - Saddle anesthesia ... loss - Saddle anesthesia