18 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... mucins with reduced tear ... production -> Corneal ... ophthalmology #diagnosis #signs ... #symptoms
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... papilledema • Horner ... ) • Systemic symptoms ... and signs (e.g. ... #Differential #
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... hypothalamus, and visual cortex ... - Autonomic symptoms ... meningeal irritation signs ... glaucoma - Ocular
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Positional Vertigo (BPPV ... Reproduction of vertigo symptoms ... toward the downward ear ... #dixhallpike #physicalexam ... testing #findings #signs
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
positional vertigo (BPPV ... occur during the headache ... 24% always had headache ... varying neurologic signs ... Vertigo #Causes #differential
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... With Different Headache ... Tentorial pressure cone ... #signs #symptoms ... #clues #differential
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
Dangerous Causes of Headache ... shoulder girdle symptoms ... thrombophilia, neurologic signs ... dental infection: ear ... Dangerous #Deadly #Differential
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Floaters - Differential ... Retinal Detachment: Symptoms ... with onset of a headache ... #Floaters #Differential ... #Diagnosis #Ocular
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
(headache and diplopia ... Behcet disease) Differential ... Giant retinal tears ... diagnosis #management #signs ... #symptoms #rheumatology
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... → Syncope • Signs ... /Symptoms: - Lightheadedness ... sensations - Headache ... Disorientation, Headache