L15 - URTI / LRTI in children Flashcards
Presentation of URTIs inchildren
- Coryza (cold)
- sore throat
- ear ache
- sinusitis (uncommon)
Presentation of LRTIs in children
- cough
- wheeze
- respiratory dsitress
Treating a child with the common cold?
Pain treated with paracetamol or ibuprofen.
Describe pharyngitis?
- Pharynx and soft palate inflamed.
- Local lymph nodes are enlarged and tender.
- Usually due to viral infection.
Pharyngitis commonly caused by?
Adenoviruses
Enteroviruses
Rhinoviruses
What is acute otitis media?
Ear pain and fever.
Most common in children between 6-12 months
On examination of a child with acute otitis media, what might be seen?
Tympanic membrane seen to be bright and red, bulging.
Less of normal light reflection.
Indications for tonsilectomy?
- Recurrent severe tonsilitis
- Perionsillar abscess (quincy)
- Obstructive sleep apnoea
Stridor
Due to partial obstruction of lower portion of upper airway, including upper trachea and pharynx.
Croup
- Barking cough like sea lion.
- Harsh stridor.
- Variable degree of difficulty breathing with chest retraction.
Whooping cough caused by…
Bacterium bordetella pertussis.
Spread from person to person by airborne droplets.
Sudden attack (paroxysm) of coughs followed by whoop.
Acute bronchitis
Inflammatory condition
Bronchiolitis
Bronchioles of young child swollen by inflammation.
Passage of air to and from alveoli difficult.
Give an example of a cause of bronchiolitis and pneumonia in infants
RSV - Respiratory synctial virus
Describe what happens if RSV inhaled
- Virus establishes infection in the nasopharynx and lower respiratory tract.
- Young infant develops cough, rapid respiratory rate and cyanosis.
How might a neonate develop interstital pneumonia at birth?
Caused by chlamydia trachomastis acquired from the mother at birth.
Pneumonia
Infection that inflames the air sacs in one or both lungs.
Sac’s may fill with fluid or pus.
Patients with pneumonia usually present feeling unwell and have…
- Chest pain: may be pleuritic in nature
- Cough: may produce sputum
- Dyspnoea: shortness of breath
An X-ray of patient with pneumonia may show…
Shadow’s indicating consolidation.
What virus causes measles?
Rubeola virus
Incubcation period and symtpoms of measles
what are koplik’s spots?
Incubation period 10-14 days.
Symptoms: fever, runny nose, conjunctivitis, cough
Koplik’s spots: white lesions on buccal mucosa.
Rash 1-2 days after
Where does the rubeola virus replicate?
Epithelium of nasopharynx, middle ear and lung
TB causes by…
Mycobacterium tuberculosis
Aerosol transmission
Broncholitis
Inflammatory condition of tracheobronchial tree.
Characterised by cough and excessive mucus production.
B. Pertussis colonises…
Ciliated respiratory epithelium causing the specifically human infection - whooping cough.
Empyema
Infection of pleural space
What may be given for relief, to patients with severe upper airway obstruction?
Nebulished epinephrine with oxygen
Acute epiglotitis
often caused by?
Intense swelling of the epiglottis and surrounding tissue.
Usually caused by H.influenzae type B.
Onset is usually very acute.
Describe what symptoms a child with epiglotitis may present with?
- Increased fever
- very ill
- intensely painful throat that prevents child from speaking or swallowing
- soft inspiratory stridor
- child sitting immobile, with an open mouth to optimize the airway
Symptoms of viral illness (common cold)
Nasal discharge Sneezing Painful throat / ears Pyrexia Headache Malaise
Signs of viral illness
- Red pharynx
- pus
- bilateral red tympanic membranes
- yellow / green discharge
Tonsilitis commonly caused by…
Group A streptococcus
- may require throat swab
Treatment of tonsilitis
Analgesia
Antibiotics is bacterial infection
Treatment for croup
Dexamethasone (corticosteroid)
- decreases laryngeal mucosal edema.
What score is used evaluate the severity of croup?
Westley score: assesses five factors
- Level of consciousness
- Cyanosis
- Stridor
- Air entry
- Retractions
Epiglottitis may be caused by
Haemophilus influenza type B
Bronchiolitis may be caused by…
Human metepneumovirus
Adenovirus
Influenza
Signs of bronchioitis
Tug Nasal flare Head bob Recession Crackles Wheeze on chest examination
Symptoms of pneumonia
Pyrexia Lethargy Breathlessness Cough Chest pain Abdominal pain
Signs of pneumonia
Pyrexia Tachcardia Tachypnoea Desaturation Recession Crepitations Wheeze
Pneumonia caused by…
Under 5s: RSV, strep pneuomoniae, mycoplasma, viruses
Over 5s: strep pneumoniae, mycoplasma, viruses
Possible investigations for Pneuomonia
CXR
Cough swab
Symptoms of empyema: patient might have?
- Fever
- cough
- breathlessness
- lethargy
- malaise
- reduced exercise tolerance
Signs of empyema
- Reduced chest expansion
- reduced breath sounds
- stony dull on percussion
Causes of empyema
Strep pneuomoniae, staph aureas
Investigations for empyema
Blood culture
Pleural fluid PCR and culture
CXR
USS
Possible treatment for empyema
antiobiotics, chest drain
Describe a lung abscess
Pus in cavity in lung parenchyma.
Describe how a lung abscess may form
Pneumonitis
Necrosis
Cavitation
Abscess formation
Types of TB
Latent
- immune system can’t kill bacteria, but prevents it spreading to body
Active
- immune system fails to kill or contain the infection and it spreads within lungs/ body. symptoms develop.
Latent TB can develop into an active TB disease at a later date.
Describe nontuberculous mycobacteria
Mycobacteria which do not cause TB.
Resembles TB.
Difficult to eradicate.
Incidence rising in CF patients.