14 results
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 ... regarding the cause ... afferent pathway injury
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
Hoffmann's sign was originally described as follows: the test is performed by supporting the patient's hand
as follows: the test ... indicative of injury ... cervical spinal cord ... #PhysicalExam ... #Neurology #Reflex
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Examine for signs ... caseyalbin #PhysicalExam ... #neurology #comatose ... #diagnosis
 The following #reflexes are routinely tested, and the response elicited is graded from zero to
or spinal root injury ... extension of the arm ... bedridden, the knees ... as coma, spinal cord ... injury, frontal
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
equina syndrome (CES ... - Emergency Causes ... : • Spinal cord ... • Provocative Tests ... #causes #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... • Symptoms and signs ... Causes: 1. ... dysfunction • Abnormal reflexes ... #neurology #differential
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 ... • Bilateral signs ... negative, MOG-IgG test
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Lazarus Reflex on Physical Exam

The Lazarus sign is a reflex movement observed in brain-dead or brainstem
briefly raising the arms ... after brain death diagnosis ... reported in some cases ... #PhysicalExam # ... clinical #video #neurology