L6: URT Infections Flashcards
Classification of Upper Respiratory tract Infections
Def of Viral Croup
Incidence of Viral Croup
Most common upper respiratory tract infection in infant “15% of children”
Season of Viral Croup
More common in winter “parainfluenza virus”
Age of Viral Croup
6 months – 5 years “Peak ⇢ 2 years”
Sex in Viral Croup
Male > female
Viral Croup
- Not Common Before …..
- Rarely Lasts ……
- uncommon in the first 6 months of life, Subglottic stenosis or hemangioma should be considered
- Viral croup rarely lasts > 10-14 days, Prolonged stridor may be caused by subglottic stenosis or hemangioma
Etiology of Viral Croup
Pathogenesis of Viral Croup
CP of Viral Croup
CP of Viral Croup
- Symptoms
INVx for Viral Croup
- Croup is usually a self-limited illness, and the cough typically resolves within 3 days.
- Other symptoms may persist for 7 days, with a gradual return to normal.
- Deviation from this expected course ⇢ consider diagnoses other than Croup
…
CP of Viral Croup
- Signs
INVx for Viral Croup
- X-Ray
INVx for Viral Croup
- Pulse Oximetry
For hypoxia detection
DDx of Viral Croup
Viral Croup
- Westley Croup Score
TTT of Viral Croup
TTT of Viral Croup
- No ……
TTT of Viral Croup
- Yes to …..
TTT of Viral Croup
- CTS (Action, Dose)
TTT of Viral Croup
- Epinephrine (Action, Dose, Route, Frequency, Indication)
Prognosis of Viral Croup
TTT of Viral Croup
- Approach acc to seminar
TTT of Viral Croup
- Discharge Criteria
TTT of Viral Croup
- Admit Criteria
Def of Epiglotittis
Incidence of Epiglotittis
Rare “Due to Hib vaccine”
Age in Epiglotittis
1 – 5 years “75%” “mean ⇢ 40 months
Sex in Epiglotittis
Male > female
Etiology of Epiglotittis
Hemophilus influenza type B
Pathogenesis of Epiglotittis
Direct invasion by Hib causes cellulites with marked edema of:
- Epiglottis, Aryepiglottic folds, Ventricular bands, Arytenoids
CP of Epiglotittis
INVx for Epiglotittis
INVx for Epiglotittis
- Rads
INVx for Epiglotittis
- Labs
TTT of Epiglotittis
TTT of Epiglotittis
- attend
By an individual skilled in resuscitation in ICU
TTT of Epiglotittis
- Avoid
◈ Examination of throat
◈ Extensive clinical examination
◈ Blood test
◈ Transport delay
◈ Unnecessary stress
TTT of Epiglotittis
- Airway secure
◈ Elective nasotracheal intubation “TTT of choice”
◈ Tracheostomy “replaced by safer nasotracheal intubation”
TTT of Epiglotittis
- Antibiotics
- 2nd & 3rd generation cephalosporins
- Ampicillin & Sulbactam
TTT of Epiglotittis
- Adrenaline
Has no role
TTT of Epiglotittis
- Supportive TTT
◈ I.V. fluids
◈ O2
◈ Sedation & mechanical ventilation
Allergic Rhinitis “Hay Fever”
Viral Rhinitis “Common cold”
Acute pharyngitis & tonsilitis
- Bacterial
Acute pharyngitis & tonsilitis
- Viral
Bacterial Sinusitis
Bacterial Otitis Media
Viral Otitis Media