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HYT Module

Jugular Venous Pulse

Jugular Venous Pulse JUGULAR VENOUS PULSE  Characteristic wave patterns of JVP: a wave  –  right atrial contraction x descent –  atrial relaxation c wave  –  bulging of tricuspid valve into the right atrium during RV isovolumetric contraction v wave  –  increase in volume in venecava during systole, when tricuspid valve is closed y descent  –  […]

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Choanal atresia

Choanal atresia CHOANAL ATRESIA  Occurence: Most cases of choanal atresia are sporadic, although familial cases suggest autosomal dominant or autosomal recessive modes of a single gene defect.    Persistence of  bucconasal membrane   Clinical features Most cases of choanal atresia are sporadic, although familial cases suggest autosomal dominant or autosomal recessive modes of a single gene defect. Approximately

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Rhinoscleroma

Rhinoscleroma RHINOSCLEROMA Causative organism: Chronic granulomatous disease caused by Gram negative bacillus called Klebsiella rhinoscleromatis (Frisch bacillus)  Stages of disease progression:   The disease begins in areas of epithelial transition such as the vestibule of the nose, the subglottic area of the larynx. It resembles atrophic rhinitis in atrophic stage. The disease runs through the following

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Pityriasis Versicolor

Pityriasis Versicolor PITYRIASIS VERSICOLOR Causative Organism Caused by yeast-like micro-organism Pityrosporum ovale (orbiculare) or Malessezia furfur  Becomes pathogenic when its growth is encouraged by increased sebum secretion or depressed immunity  Skin Lesion Morphology Pale, scaling hypopigmented macules develop over the skin of the chest and back in young adults  Fine velvety scales that are not visible but are seen by scraping the lesion.

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Acoustic Neuroma / Vestibular Schwannoma / Neurilemmoma / 8th Nerve tumor

Acoustic Neuroma / Vestibular Schwannoma / Neurilemmoma / 8th Nerve tumor ACOUSTIC NEUROMA Synonym: Vestibular Schwannoma or Neurilemmoma or 8th Nerve tumor Origin in the internal auditory canal from the inferior or superior portion of the vestibular nerve 80% of all Cerebello-pontine angle tumors 10% of all intracranial tumors Benign encapsulated, extremely slow growing tumors Bilateral tumors

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Acoustic Neuroma / Vestibular Schwannoma / Neurilemmoma / 8th Nerve tumor

Acoustic Neuroma / Vestibular Schwannoma / Neurilemmoma / 8th Nerve tumor Q. 1 Acoustic neuroma commonly affects the:  A 5th cranial nerve  B 6th cranial nerve  C 7th cranial nerve  D 8th cranial nerve Q. 1 Acoustic neuroma commonly affects the:  A 5th cranial nerve  B 6th cranial nerve  C 7th cranial nerve  D 8th

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Vasomotor Rhinitis

Vasomotor Rhinitis VASOMOTOR RHINITIS Occurence: Non allergic rhinitis Overactivity of parasympathetic system – excessive secretion from the nasal glands, vasodilation and engorgement of nasal mucosa Nasal mucosa is hyper-reactive and responds to non-specific stimuli like change in temperature, dust, smoke etc Symptoms: Paroxysmal sneezing – bouts of sneezing  just after getting out of bed in the

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Septoplasty

Septoplasty SEPTOPLASTY Clinical indications of septoplasty: Deviation of the nasal septum with partial or complete unilateral or bilateral obstruction of airflow Persistent or recurrent epistaxis Evidence of sinusitis secondary to septal deviation Headaches secondary to septal deviation and contact points Anatomic obstruction that makes indicated sinus procedure difficult to perform efficiently Obstructive sleep apnea As

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Otosclerosis / Otospongiosis

Otosclerosis / Otospongiosis OTOSCLEROSIS or OTOSPONGIOSIS Disease of bony labyrinth where spongy bone replaces normal enchondral layer of bony otic capsule Most often the otosclerotic focus involves stapes, leading to stapes fixation and CHL  Etiology Family history present, Autosomal dominant Common in Indians Females affected twice more than males. But in India males are more affected Age 20-30

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