12 results
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Pupillary Defect ... pupillary defect ... the pupillary reflex ... regarding the cause ... #Neurology #Clinical
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Pupillary Defect ... pupillary light reflex ... Optic nerve* (main cause ... #Pupillary #Defect ... #RAPD #neurology
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... acts both as an afferent ... and efferent pathway ... the hand. 3) Now ... clinical #video #neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Causes of Hyporeflexia ... and Hyperreflexia ... Guillain-Barré syndrome ... diagnosis #table #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... , T1 (median) Reflexes ... Erb's Palsy is caused ... Myotomes #diagnosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Epidemiology: • 1-2 cases ... females Guillain-Barre ... Decreased / Absent Reflexes ... management #treatment #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 ... cord • Guillain-Barre ... wink test - reflex ... differential #diagnosis #causes ... #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... Incidence: 1 to 2 cases ... depressed deep tendon reflexes ... GBS #Guillain #Barre ... diagnosis #management #neurology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
antihypertensive agents from different ... heart failure, neurologic ... Causes: • Vascular ... Neurologic disorders ... Guillain-Barre
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
include a: • Neurologic ... tympanic membrane • Neurologic ... masses and lymphadenitis ... cause unknown) ... Labyrinthitis ○ Epstein-Barr