10 results
Hoffmann's sign was originally described as follows: the test is performed by supporting the patient's hand
indicative of injury ... level of the upper motor ... cervical spinal cord ... #Sign #PhysicalExam ... #Neurology #Reflex
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... by Nerve Root Levels ... Spinal Root Sensory Motor ... S1 Lateral Calcaneus ... #SpinalCord #Injury
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Weakness - Lower motor ... lesion - Upper motor ... involved) - Tendon reflex ... in deep tendon reflexes ... differential #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... , T1 (median) Reflexes ... spared in this injury ... #sensory #motor ... #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... damage to peroneal nerve ... #sensory #motor ... #leg #physicalexam
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Pathophysiology: • Severe injury ... Awareness • Injury ... threat Cranial Nerves ... Casey Albin MD @ ... caseyalbin #PhysicalExam
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Microglial cells are ... multiple spinal cord ... - Causes progressive ... Increased Jaw Jerk reflex ... activity between nerve
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... extensors of the arms ... Spasticity - Reflexes ... : • Sensory, motor ... brain and/or optic nerve
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 ... - Emergency Causes ... Diagnosis: • Spinal cord ... spondylitis • Tethered cord ... #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
below the site of injury ... below the site of injury ... Causes: 1. ... Blood Supply: - AVM ... dysfunction • Abnormal reflexes