10 results
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Afferent Pupillary Defect ... pupillary light reflex ... Optic nerve* (main cause ... Afferent #Pupillary #Defect ... #RAPD #neurology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Afferent Pupillary Defect ... alternating light test ... the pupillary reflex ... regarding the cause ... #Neurology #Clinical
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Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... • Extrinsic Causes ... involved) - Tendon reflex ... in deep tendon reflexes ... differential #diagnosis #neurology
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 ... Diagnosis: • Spinal cord ... • Provocative Tests ... absent anal wink test ... #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
• Infectious: Direct ... Spasticity - Reflexes ... negative, MOG-IgG test ... Herpes zoster, West ... diagnosis #management #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... Causes: 1. ... dysfunction • Abnormal reflexes ... disorders #diagnosis #neurology ... differential #algorithm
The algorithm below shows how pre-test probability could be combined with various criteria to determine which
The algorithm below ... shows how pre-test ... isn't perfect, ... ) and negative Reller ... HSV PCR would cause
Hoffmann's sign was originally described as follows: the test is performed by supporting the patient's hand
as follows: the test ... the upper motor neuron ... cervical spinal cord ... PhysicalExam #Neurology ... #Reflex
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Tromner Sign on Physical Exam

The Trömner sign is commonly used as a clinical neurological examination for
for upper motor neuron ... of the spinal cord ... modified Rossolimo reflex ... or index finger causes ... clinical #Video #Neurology
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Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
Causes of Dysarthria ... Differential Diagnosis Algorithm ... hyperactive gag reflex ... #Dysarthria #Neurology ... #Causes