15 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Syndrome ->Cord ... Mixed upper and lower ... bladder and rectal reflex ... #Syndromes #diagnosis ... pathophysiology #signs
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
: • Spinal cord ... infarct • HIV ... extremity reflexes ... • Provocative Tests ... absent anal wink test
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... • Symptoms and signs ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes ... , lower extremity
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... syphilis, and HIV ... Weakness - Lower ... in deep tendon reflexes ... #differential #diagnosis
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
It is a clear sign ... the pupillary reflex ... very sensitive diagnostic ... afferent pathway injury ... Neurology #Clinical #Video
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Locked-in syndrome ... Awareness • Injury ... • Examine for signs ... caseyalbin #PhysicalExam
Hoffmann's sign was originally described as follows: the test is performed by supporting the patient's hand
as follows: the test ... cervical spinal cord ... #Clinical #Video ... #PhysicalExam ... #Neurology #Reflex
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... must be absent: lower ... gait, strength, reflexes ... Straight Leg Raise Test ... #signs #symptoms
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Herpes zoster - HIV ... Trauma • Crush injury ... #lower #extremity ... #msk #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam