11 results
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Opacities -> Vision loss ... • Vogt's Striae ... Sudden Vision Loss ... #Keratoconus #pathophysiology ... #ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Hemorrhage, TIA, Stroke ... amouradmd #Vision #Loss ... #Differential # ... Diagnosis #causes #ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Differential Diagnosis ... • Keratitis, Optic ... : • Stroke, Medication ... painful #painless #differential ... diagnosis #causes #ophthalmology
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Diagnosis and Pathophysiology ... Pulse Pressure = Stroke ... disorders: - Aortic ... regurgitation - Aortic ... Increased risk for stroke
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
- Differential ... Dehydration - Loss ... Collapse: • Pathophysiology ... → Syncope • Signs ... Muscle cramps, Loss
Seesaw nystagmus 
-> eye move in an opposed vertical fashion (one goes up while the other
disease, brainstem stroke ... trauma, lack or loss ... fibers in the optic ... Seesaw #nystagmus #ophthalmology ... #eye #ocular #PhysicalExam
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
Increased IOP leads to optic ... damage & blindness Signs ... sparring) • Loss ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
clinic with vision loss ... this are tumors, strokes ... for retrobulbar optic ... Half #Syndrome #PhysicalExam ... clinical #video #ophthalmology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Anorexia • Weight loss ... sign of cutaneous ... < 30 years • Aorta ... malaise, weight loss ... Arteritis): • Aorta
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... < 30 years - Aorta ... Anorexia • Weight loss ... Palpable purpura: strong ... sign of cutaneous