- Local causes of complicated cataract.

Local causes of complicated cataract.

"Rigid"

• long standing Retinal detachment
• Inflammatory conditions:- chronic iridocyclitis,chorioretinitis
• Glaucoma.
• Intraocular tumors
• Degenerative conditions:- retnitis pigmentosa, degenerative myopia. 
local Drugs:- corticosteroids, pilocarpine, adrenaline eye drops.

Mechanism:-

• Interference with lens metabolism.
• The posterior cortex is affected early,as the posterior capsule is thin and devoid of sub capsular epithelium.

Enjoy,,,

Dr Ibrahim

- Structures of angle of Anterior chamber.

Structures of angle of Anterior chamber.

"I Can See Till Schwalbe's Line"

• Iris root.
• Cilliary Body.
• Scleral spur.
• Trabecular Meshwork.
• Schwalbe's Line.

These Structures are seen by gonioscopy.

Enjoy,,,

Dr Ibrahim

- Arterial line placement.

Arterial line placement.

An intra-arterial catheter (A-line) is a very small plastic tube (called catheter) placed in one of your blood vessels (an artery) by highly trained personnel. This is usually done during or before certain types of surgery or in the Intensive Care Unit.

To see how to undergo Arterial line see the following video from New Engeland Journal of Medicine.

you can see the video online on NEJM here or

Download it directly from here 

  or watch it now :D

- ASA Grading system.

ASA Grading system

American Society of Anesthesiologists (ASA) grade is the most commonly used grading system to measure of a persons overall health, rather than a fitness for anaesthesia and surgery.   

• Grade  I   Healthy individual with no systemic disease 
• Grade II  Mild systemic disease not limiting activity
• Grade III Severe systemic disease that limits activity but is not incapacitating .
• Grade IV  Incapacitating systemic disease which is constantly life-threatening.
• Grade V   Moribund, not expected to survive 24 hours with or without surgery.
  Dr Ibrahim
  Return to list of medical grades (click here)

- Otitis Externa table.

Otitis Externa table.

This is a table for comparison between different types of Otitis Externa.

First what is Otitis Externa?

Simply it is It is Inflammation of the skin of the external auditory canal.

To download the table from MediaFire Click here size 20KB

In the table there is a comparison between

• Furunclosis( Localized otitis externa )
• Diffuse otitis externa
• Necrotizing otitis externa (Malignant otitis externa)
• Otomycosis
• Herpes zoster oticus (Ramsey- Hunt syndrome)

As regard:-

• Definition
• Aetilogy
• Predisposing Factors
• Clinical picture
• Treatment

You can print the table on large papers (A3 papers)

Good luck,

Dr Ibrahim