14 results
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
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... deficiency - Syrinx ... in deep tendon reflexes ... #differential #diagnosis ... #neurology
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... Hoffmanns #Sign #Reflex ... #Positive #Abnormal ... clinical #video #neurology ... #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 ... : • Spinal cord ... region (S2-S4 dermatomes ... #causes #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Casey Albin MD @ ... caseyalbin #PhysicalExam ... #neurology #comatose ... #diagnosis
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... injury • Gait is abnormal ... Causes: 1. ... reflexes: Areflexia ... #neurology #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... - Differential Diagnosis ... Classically” noted with pulmonary ... lung disease (COPD ... bloodgas #Acid #Base
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Spasticity - Reflexes ... bouts of HTN Diagnostic ... Transverse Myelitis Diagnosis ... Sjogren's • CSF: - Abnormal ... #management #neurology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
consistent with a diagnosis ... experience, the cause ... surgery; as in our case ... decompress the spinal cord ... #neurology #Anisocoria