15 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... • Cauda Equina Syndrome ... - Low back pain ... Commonly caused ... #neurology #sensory
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
unilateral flank pain ... → Refer to Nephrology ... and referral to Urology ... cause not identified ... #urology #blood
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... , T1 (median) Reflexes ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... Differential Diagnosis ... region (S2-S4 dermatomes ... #differential #diagnosis ... #causes #neurology
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Differential Diagnosis ... - Ramsay Hunt syndrome ... /squamous cell CA ... #Otology #Otolaryngology ... #differential #diagnosis
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Mechanisms of Pain ... syndrome - Deafferentation ... #Mechanisms #Neurology ... #Differential #Diagnosis ... #Algorithm #Causes
Myoedema in Hypothyroidism on Physical Exam

Hypothyroidism is a clinical syndrome resulting from the production, secretion or
is a clinical syndrome ... drowsiness, weight gain ... hammer, caused ... Hypothyroidism #PhysicalExam ... clinical #video #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Brown-Sequard Syndrome ... sensory loss to pain ... #Hemiplegia #Neurology ... #Algorithm #Causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... involved) - Tendon reflex ... in deep tendon reflexes ... #differential #diagnosis ... #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Possible responses to pain ... caseyalbin #PhysicalExam ... #neurology #comatose ... #diagnosis