19 results
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential ... Diagnosis Algorithm ... Relative Afferent ... #Differential # ... #Causes #Ophthalmology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
the pupillary reflex ... very sensitive diagnostic ... regarding the cause ... #Neurology #Clinical ... Pupils #MacrusGunn #PhysicalExam
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Pupillary Defect ... pupillary light reflex ... nerve* (main cause ... #Pupillary #Defect ... #RAPD #neurology
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Reflex Syncope ... Mechanical • Aortic ... Multiple system atrophy ... #Table #Causes
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Syncope - Differential ... Reflex Syncope: ... • Medication Effect ... Multiple System Atrophy ... • Mechanical: Aortic
Aortic Dissection Pearls
Aortic dissection is caused by a tear in the tunica intima, the innermost layer
is caused by a ... Examine for: • Pulse ... deficit/differential ... • Focal neuro deficit ... #Dissection #diagnosis
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Anatomic Location - Differential ... Diagnosis Algorithm ... - Obscure Red Reflex ... - Visual field defects ... #Causes #Ophthalmology
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
- Visual Field Defects ... NeuroOphthaImoIogy #Neurology ... #Differential # ... Diagnosis #Anatomy ... #Causes #Ophthalmology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... distribution with atrophy ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
medulla, and the cortico-spinal ... form part of the differential ... diagnosis. ... very different ... positive Babinski reflex