Microbiology of ENT infections Flashcards
What type of herpes simplex is aquired in childhood?
Type 1
What type of HSV causes oral lesions?
HSV1
How is HSV transmitted?
Infection through saliva contact
What are the sympoms of primary gingivostomatitis?
Systemic upset Lips Buccal mucosa Hard palata Vesicles Ulcers Fever Local lymphadenopathy
How is HSV1 treated?
Aciclovir
How does a cold sore occur?
Reactivation from nerves causes active infection
Various stimuli
Are recurrent intra-oral lesions causes by HSV?
Probably not
How is HSV confirmed?
Swab lesion in viral transport medium
Detection of DNA by PCR
What causes herpangina?
Coxsackie virus
What are the symptoms of herpangina?
Vesicles/ulcers on soft palate
How is herpangina diagnosed?
CLinically or by PCR
What causes hand, foot and mouth disease?
Coxsackie viruses
Is syphilis painful?
No
What bacteria causes syphilis?
Treponema pallidum
Where is syphilis most common?
Genital
What is the presentation of syphilis?
Painless indurated ulcer at site of entry of bacteria
What are apthous ulcers?
Recurring painful ulcers of the mouth that are round or ovoid and have inflammatory halos
Where are aphthous ulcers confined to?
Mouth
What are the symptoms of Behcet’s disease?
Recurrent oral ulcers Genital ulcers Uveitis Visceral organ involvement Commonest in middle east and asia
Who gets acute throat infections?
Children 5-10
Young people 15-25
What is the clinical presentation of a thoat infection?
Pain at the back of the mouth
What are causes of non-infectious sore throats?
Physical irritation GORD Chronic irritation Alcohol Hay fever Look for red flags
What is an absolute indication for admission to hospital with a sore throat?
Stridor
Respiratory difficulty
What are some complications of sore throats?
Otitis media
Peri-tonsillar abscess
Para-pharyngeal abscess
Mastoiditis