Acute Rhinosinusitis Flashcards
What is acute rhinosinusitis also known as?
Acute sinusitis
What is acute rhinosinusitis?
A symptomatic inflammation of the mucosal lining of the nasal cavity and paranasal sinuses?
What is the time span of acute rhinosinusitis?
4 weeks or less
How many pairs of paranasal sinuses are there?
4
What are the names of the paranasal sinuses?
- Frontal
- Ethmoidal
- Maxillary
- Sphenoidal
Where does acute rhinosinusitis of the frontal sinuses cause pain?
The forehead
Where can acute rhinosinusitis of the ethmoidal sinuses cause pain?
- Between/behind the eyes
- Sides of the upper nose
What can ethmoidal acute rhinosinusitis be subdivided into?
Anterior and posterior
What separates anterior and posterior acute rhinosinusitis of the ethmoid sinus?
The basal lamella of the middle nasal concha
Where can acute rhinosinusitis of the maxillary sinuses cause pain?
Cheeks
Where can acute rhinosinusitis of the sphenoidal sinuses cause pain?
- Behind the eyes
- On top of head
- Over mastoid
- Back of head
What is acute rhinosinusitis typically precipitated by?
A recent URTI
What type of URTI typically preceeds acute rhinosinusitis?
Viral
What viruses can lead to acute rhinosinusitis?
- Rhinovirus
- Coronavirus
- Influenza
- Adenovirus
- RSV
- Metapneumovirus
What are the most common bacterial causes of acute rhinosinusitis?
- Strep pneumoniae
- Haemophilus influenzae
- Moraxella catarrhalis
What are some less common causes of acute rhinosinusitis?
- Fungal invasion
- Chemical irritation
- Tooth infection