Respiratory ||| Flashcards
What symptoms do disorders of the upper respiratory tract present with (5)?
- Coryza
- Sore throat
- Earache
- Sinusitis
- Stridor
What symptoms do disorders of the lower respiratory tract present with (3)?
- Cough
- Wheeze
- Respiratory distress
What are features of moderate respiratory distress (6)?
- Tachypneoa
- Tachycardia
- Nasal flaring
- Use of accessory muscles
- Head retraction
- Inability to feed
What are features of severe respiratory distress (4)?
- Cyanosis
- Tiring because of increased work of breathing
- Reduced conscious level
- O2 saturation <92% despite O2 therapy
Which groups of patients are particularly susceptible to respiratory failure (5)?
- ex-preterm infants with bronchopulmonary dysplasia
- those with haemodynamically significant congenital heart disease
- those with disorders causing muscle weakness
- CF patients
- those with immunodeficiency
What are the different types of URTI (4)?
- Common cold (coryza)
- Sore throat (pharyngitis, including tonsilitis)
- Acute otitis media
- Sinusitis
What are the features of the common cold (coryza) (2)?
- Clear or mucopurulent nasal discharge
2. Nasal blockage
What are the most common pathogens causing coryza (3)?
Viruses - rhinoviruses, coronaviruses and respiratory syncytial virus (RSV)
What is the management of coryza (2)?
- Health education to parents that colds are self-limiting to ease anxiety
- Paracetemol or ibrupofen for pain
What is pharyngitis? What are the most common causative organisms?
Viruses (3)
Bacteria (1)
The pharynx and soft palate are inflamed and local lymph nodes are enlarged and tender
Viruses - adenovirus, enterovirus and rhinovirus
Bacteria - Group A beta-haemolytic streptococcus is common in older children
What is tonsilitis? What are the most common causative organisms (2)?
A form of pharyngitis where there is intense inflammation of the tonsils, often with purulent exudate
Group A beta-haemolytic streptococci and Epstein-Barr virus
What features are more characteristic of a bacterial cause of tonsitlitis (5)?
- Headache
- Apathy
- Abdominal pain
- White tonsillar exudate
- Cervical lymphaedenopathy
What is the management of severe pharyngitis and tonsilitis (2)?
- Abx is often prescribed for severe pharyngitis and tonsilitis (penicillin V or erythromycin in penicillin allergy), even though only 1/3 are caused by bacteria
In very severe cases:
2. children may require hospital admission for iv fluid administration and analgesia if they are unable to swallow solids or liquids
What are they symptoms of tonsillitis (11)?
- sore throat
- difficulty swallowing
- hoarse or no voice
- fever
- coughing
- headache
- nausea
- earache
- fatigue
- lymphadenophathy
- white pus-filled spots on tonsils
What is the course of tonsillitis?
Symptoms usually go away after 3-4 days
What is the management of mild-moderate tonsillitis (4)?
- Rest
- Drink plenty of fluids
- Paracetemol or ibruprofen
- Gargle with warm salty water
What are the complications of tonsillitis (3)?
- Quinsy - abscess formation between tonsils and wall of throat
- Otits media
- Rheumatic fever
What criteria is used to aid in the diagnosis of Group A beta-haemolytic streptococcus as a cause of tonsillitis (4)?
Centor criteria: The presence of 3 or 4 of the following clinical signs:
- tonsillar exudate
- tender anterior cervical lymph nodes
- absence of cough
- history of fever
What age range are throat infections most common among?
Age 5-10
What is acute otitis media?
The presence of inflammation in the middle ear associated with an effusion and accompanied by the rapid onset of symptoms and signs of an ear infection
What age range is acute otitis media common in?
6-12 months
Why are infants and young children prone to acute otitis media?
Their Eustachian tubes are short, horizontal and function poorly
What are the symptoms of acute otitis media (8)?
What are the signs of acute otitis media (2)?
Symptoms: 1. Pain in ear 2. Fever In younger children there may be: 3. pulling/rubbing of ear 4. irritability 5. poor feeding 6. restlessness at night 7. cough 8. rhinorrhoea
Signs:
- Tympanic membrane is bright red and bulging with loss of normal light reflection.
- Occasionally there is acute perforation of the eardrum with pus visible in the external canal.
What are the causative organisms of acute otitis media?
Viruses (2)
/bacteria (3)
Viruses:
- RSV
- Rhinovirus
Bacteria
- Pneumococcus
- H. influenxae
- Moraxella catarrhalis.
What are the complications of acute otitis media (4)?
- Perforation of tympanic membrane
- Hearing loss
- mastoiditis
- meningitis
What is the natural course and management of acute otitis media (2)?
It is usually self-limiting within a few days
- Pain treated with regular analgesic
- Antibiotics (5 day amoxicillin) may be necessary for those:
- systemically unwell >4 days and not improving
- with symptoms for
What is a complication of recurrent ear infections and what is a consequence of it?
How is it managed (1)?
Glue ear = otitis media with effusions. Can lead to:
- conductive hearing loss
- interfere with normal speech development
- result in learning difficulties in school.
Managed by insertion of grommets
What is sinusitis?
What is the management?
Infection of the paranasal sinuses that can occur with viral URTIs. Sometimes there is 2o bacterial infection with pain, swelling and tenderness over the cheek from infection of the maxillary sinus.
Management for acute sinusitis:
- Abx
- analgesia
What is stridor?
What are the causes of acute stridor?
Common (1)
Rare (5)
A harsh, musical sound due to partial obstruction of the lower portion of the upper airway including the upper trachea and the larynx.
Common causes:
1. Viral laryngotracheobronchitis (croup)
Rare causes:
- Epiglottitis
- Bacterial tracheitis
- Laryngeal or oesophageal foreign body
- Allergic laryngeal angioedema (seen in anaphylaxis and recurrent croup)
- Inhalation of smoke and hot fumes in fires
What clinical characteristics would you use to assess the severity of upper airways obstruction (2)?
- Characteristics of the stridor
- None
- Only on crying
- At rest
- Biphasic - Degree of chest retraction
- None
- Only on crying
- At rest
What are the signs of severe upper airways obstruction (4)?
What are the signs of an impending complete airway obstruction (4)?
- Increased respiratory rate
- Stridor
- Increased heart rate
- Agitation
- Central cyanosis
- Drooling
- Reduced level of consciousness
- Hypoxaemia (by pulse oximetry)
What is croup? What is it usually caused by (4)?
Also known as laryngotracheobronchitis is a type of respiratory infection usually caused by a virus.
1. Parainfluenza viruses are the most common cause other causes: 2. rhinovirus 3. RSV 4.influenza.
What age does croup commonly occur at?
Age 6 months to 6 years, but peak incidence is 2nd year of life
What are the symptoms of croup (7)?
- Coryza
- fever
followed by: - Hoarseness due to inflammation of vocal cords
- Barking cough due to tracheal oedema and collapse
- Harsh stridor
- Variable degree of difficulty breathing with chest retraction
- symptoms often start and are worse at night
What is the management of croup according to severity?
Mild
Moderate
Severe
If upper airway obstruction is mild:
1. The stridor and chest recession disappear when child is at rest, and child can be managed at home.
Chest recession at rest:
1. Oral dexamethasone, prednisolone or nebulised budesonide are first-line
In severe upper airways obstruction:
1. Nebulised adrenaline with oxygen by face mask provides rapid but transient improvement so they must be observed closely for 2-3 hours.
What is acute epiglottitis? What is it caused by?
Intense swelling of the epiglottis and surrounding tissues associated with septicaemia.
It is a life-threatening emergency due to high risk of respiratory obstruction.
Caused by H. influenza type b (Hib)
What age range is epiglottitis most common at?
Aged 1-6 but can affect all age groups
How do you distinguish between croup and epiglottitis (9)?
- Timing
- Croup comes on over days
- Epiglottitis comes on over hours - Preceding coryza in croup, not in epiglottis
- Barking cough in croup but absent in epiglottis
- Able to drink with croup, not with epiglottitis
- Drooling of saliva present with epiglottitis, not croup
- Fever <38.5 with croup, and >38.5 with epiglottis
- Child looks more ill and toxic with epiglottis
- Harsh stridor with croup, soft stridor with epiglottis
- Hoarse voice in croup, reluctances to speak with epiglottitis
What is the onset and typical features of epiglottitis (8)?
- Very acute onset with:
- high fever
- Very ill and toxic-looking child
- intensely painful throat that prevents child from speaking or swallowing
- saliva drools down chin
- Soft inspiratory stridor and rapidly increasing respiratory difficulty over hours
- child sitting immobile, upright, with an open mouth to optimise the airway. Tripoding
- Absent or minimal cough
Management of epiglottitis (6)?
- Urgent hospital admission and treatment required
- A senior anaesthetist, paediatrician and ENT surgeon should be called ASAP to theatre/ICU.
- Child should be intubated under GA.
- Rarely, this is impossible and urgent tracheostomy is life-saving.
- Once airway is secured, blood should be taken for culture and
- iv Abx started
What is bacterial tracheitis?
Rare but dangerous condition where child has:
- high fever
- appears very ill
- has rapidly progressive airway obstruction with copious thick airway secretions.
Usually caused by Staph. aureas