Pneumonia Flashcards
(30 cards)
Hospital-acquired pneumonia develops after more than __ hours in hospital
48
What term refers to infection and inflammation in teh bronchial tubes?
Acute bronchitis
Is pneumonia an upper or lower respiratory tract infection?
Lower
Is acute bronchitis an upper or lower respiratory tract infection?
Lower
What term refers to infection and inflammation in the bronchioles
Bronchiolitis
What age is bronchiolitis most common in?
Under 2 y/o, particularly under 6 months
What is the most common cause of bronchiolitis?
Respiratory syncytial virus (RSV)
What is the common cause for upper respiratory tract infections (blocked nose, sore throat, dry cough)?
Viruses
Generally the lower down the respiratory tract, the ____ the probability of bacterial infection
higher
What is the most common bacteria causing pneumonia?
Streptococcus pneumoniae
Name other bacterial causes of pneumonia (other than strep pneumoniae)
Haemophilus influenzae
Group A strep (eg streptococcus pyogenes)
Staphylococcus aureus
Mycoplasma pneumoniae
What is the most common viral cause of pneumonia?
Respiratory syncytial virus (RSV)
Name other viral cuases of pneumonia, other than RSV
Parainfluenza virus
Influenza virus
In a neonate what organisms from the birth canal may cause pneumonia?
Group B streptococcus (GBS)
Escherichia coli
Listeria
Klebsiella
What are the 2 key causes of pneumonia in children with cystic fibrosis?
Staph aureus
Pseudomonas aeruginosa
In immunocompromised patients (eg HIV) what microorganisms could cause the pneumonia?
Pneumocystis jirovecii
Cytomegalovirus
What are presenting symptoms of pneumonia?
Productive cough
High fever
SOB
Lethargy
Drowsiness
Confusion
What are signs of pneumonia on examination?
Fever (over 38.5)
Tachypnoea
Tachycardia
Signs of respiratory distress (recessions, nasal flaring, tracheal tug)
Low oxygen sats
Hypotension
Cyanosis
What causes the bronchial breath sounds to be harsh and equally loud on inspiration and expiration in pneumonia?
Consolidation of lung tissue around the airway, amplifying the airway sounds heard at the chest surface
What sound is heard in pneumonia when air passes through fluid?
Focal coarse crackles
Dullness to percussion over the affected area occurs due to…
Lung tissue collapse or consolidation
What investigations are taken for uncomplicated pneumonia?
Typically none. Diagnosis made clinically with empirical treatment.
Possible CXR
What shows on CXR in pneumonia?
Consolidation
True or false: WBCs and CRP are both raised roughly in proportion to the severity of the infection
True