Respiratory infections Flashcards
What are the complications of coryza?
sinusitis and acute bronchitis
What symptoms does sinusitis cause?
- frontal headache
- retro-orbital pain
- maxillary sinus pain
- toothache
What is the treatment for acute sinusitis?
- decongestant
- nasal steroids
- pseudoephedrine
For what group of people is epiglottitis life threatening?
infants due to obstruction
What is quincy?
a complication of tonsillitis that is a tonsillar abscess that can be drained
What are the symptoms of strep throat?
- yellow exudates
- pus
- sore throat
- dysphagia (can’t swallow)
- dysphonia
What are the features of acute bronchitis?
- productive cough
- fever occasionally
- normal CXR and examination
- may have transient wheeze
- no treatment
What are the features of an acute exacerbation of COPD?
- increased sputum
- more wheeze
- more breathless
What is the treatment for an acute exacerbation of COPD?
- amoxicillin or doxycycline will be prescribed
- bronchodilator inhalers and a short course of steroids
- do ABGs and CXR
What are the symptoms of pneumonia?
- cough
- tiredness
- sweats and rigors
- confusion, diarrhoea and abdominal pain in older people
What will be seen in pneumonia on examination?
- fever
- tachypnoea
- crackles and rub
- cyanosis
What tests would be done for pneumonia patients?
- blood culture
- serology
- arterial gases
- full blood count
- urea
- liver function
- CXR
- CURB 65
What is the CURB 65 score?
C is new onset confusion U is urea over 7 R is respiratory rate over 30 B is blood pressure of less than 90 systolic or 61 diastolic 65 or older
What is the increase in mortality for pneumonia in COPD patients?
10% increase
What are the symptoms of legionella pneumonia?
GI disturbance and confusion rather than chest disturbance
What are the symptoms and the special feature of mycoplasma pneumonia?
causes paroxysmal cough and the bacteria has no cell wall
What is the presentation of flu?
- fever
- malaise
- myalgia
- headache
- cough
- prostration
What are the viruses that cause flu?
influenza A and B, parainfluenza, haemophilus influenza (bacteria)
What virus can have antigenic shift?
influenza A
How is a virus detected?
PCR using a nasopharyngeal swab
What are the symptoms of bronchiolitis?
fever, coryza, cough and wheeze
What are the more severe symptoms of bronchiolitis?
grunting, lowered Pa O2 and intercostal drawing
What are the complications of bronchiolitis?
respiratory or cardiac failure
What is done in hospitals when there is an epidemic of bronchiolitis?
cohort nursing
What is metapneumovirus and how is it treated?
newly discovered virus that is confirmed with PCR, nasopharyngeal/ throat swab or by bronchoalveolar lavage
What are the three ways that pneumonia can be classed by?
clinical setting, organism or morphology
What is lobar pneumonia and what bacteria causes it?
it is a confluent consolidation involving a complete lung lobe mostly due to streptococcus pneumoniae
What is the pathology of pneumonia?
- exudation of fibrin-rich clot
- neutrophil infiltration
- macrophage infiltration
- resolution
What are the complications of pneumonia?
organisation and fibrous scarring, abscess, bronchiectasis or empyema
What is bronchopneumonia?
infection in airways spreading to adjacent alveolar lung (pre-existing disease)
What is a lung abscess?
localised collection of pus which is tumour-like
What are the symptoms of a lung abscess?
chronic malaise and fever
What is bronchiectasis?
abnormal fixed dilation of the bronchi so dilated airways accumulate purulent secretions
What are the two examples of chronic suppuration?
abscess and bronchiectasis
What type of infection is TB?
mycobacteria