3P

3P

EHEC

HUS

EHEC O157:H7 (developed)

Shigella  (developing )

Secrete toxin 

HELLPR  syndrome 

R=severe renal failure 

elevated urea 

Antibiotics are contraindicated as they cause more toxin release ,more damage 

TTP 

Upshaw schulmann syndrome 

ADAMTS13 

Rotator cuff

Gradenigo triad in unsafe ear

Extracranial complication of unsafe ear 

Atticoantral CSOM 

Cholesteatoma 

MRM =Modified Radical Mastoidectomy 

Gradenigo's triad= Petrous apex involvement 

U56 

• Ear discharge

• Abducens nerve (6th nerve) palsy (diplopia)

• Retro-orbital pain (due to 5th nerve trigeminal neuralgia)

Hitzelberger sign =Acoustic neuroma =CN8

Vestibulocochlear nerve 

BERA 

MRI mc cerebellopontine tumour 

Pressure on all nerves except 1 & 2 

5th nerve earliest to involve 

Loss of corneal reflex 

Gresingersign=Lateral sinus thrombophlebitis