37 results
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... • Corneal reflex ... • Gag reflex ... • Cough reflex ... Casey Albin MD @
Functional Dyspepsia - Signs, Symptoms and Pathophysiology
Delayed gastric emptying - Postprandial fullness, nausea, vomiting
Hypersensitivity to gastric
, Symptoms and Pathophysiology ... hypersensitivity - Nausea ... hypersensitivity - Nausea ... Atypical nonerosive reflux ... Functional #Dyspepsia #Pathophysiology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... diffuse light reflex ... BRB breakdown causes ... #Retinopathy #pathophysiology ... #ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... disease (Most common cause ... ) #Clinical #Ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
partial retinal red reflex ... Retinoblastoma #pathophysiology ... #ophthalmology
FIGURE 2. CHALAZION.  

Hordeola and chalazia are two common causes of the red, swollen eyelid
are two common causes ... #Clinical #Ophthalmology ... #Photo #Chalazion
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
Alzheimer's (99% of cases ... Alzheimer's (1% of cases ... seizure, primitive reflexes ... AlzheimersDisease #Dementia #pathophysiology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
- Obscure Red Reflex ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
input to (in this case ... etiology in this case ... Images #Clinical #Ophthalmology ... #Photo #Horners
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
- pupillary reflex ... Periorbital #Cellulitis #pathophysiology ... #ophthalmology