MedomaniaMedPG PYQ's

#MEDICALNOTES 41. Lermoyez's syndrome is usually regarded as a rare variant of Meniere's disease which is characterized by the disappearance of aural symptoms after vertiginous attacks. It is recognized as an uncommon paroxysmal clinical syndrome caused by pathological endolymphatic change in the labyrinth.

#MedicalMnemonics 17. Internal carotid artery It is the main artery supplying structures inside the cranial cavity and orbit. It is divided into 4 parts : * Cervical part :- It extends from upper border of thyroid cartilage to the base of skull. This part gives no branch. * Petrous part :- It lies in bony carotid canal in the petrous temporal bone. It gives two branches (i)Caroticotympanic, and (ii) pterygoid. * Cavernous part :- It runs through the medial wall of cavernous sinus. It gives three branches : (i) Meningeal branch, (ii) hypophyseal branch and (iii) cavernous branch. * Cerebral part :- It is related to inferior surface of cerebrum. It gives following branches: (i) Ophthalmic artery,(ii) posterior communicating artery, (iii) anterior choroidal artery, (iv) anterior cerebral artery and (v) middle cerebral artery. MNEMONICS:- CERVICAL PART :- No branch PETROUS PART :- Connaught ( Caroticotympanic) , Place( pterygoid ) CAVERNOUS PART :- Christian ( Cavernous branch ) , Medical (Meningeal branch) , Hospital ( Hypophyseal Branch ) CEREBRAL PART :- O ( Opthalamic artery ) Posterior Communicate Karo (Posterior communicating artery) MAA ( middle cerebral artery , anterior choroidal artery, anterior cerebral artery )

#MEDICALNOTES 40. The seven bones that articulate to the orbit are 1. Frontal bone 2. Lacrimal bone 3. Ethmoid bone 4. Zygomatic bone 5. Maxillary bone 6. Palatine bone 7. Sphenoid bone Mnemonics:- Zeba(Zygomatic) ,Funny (Frontal bone ) ,Ladki (Lacrimal bone) , Enjoy (Ethmoid Bone), PSM (Palatine,Sphenoid ,Maxillary)