LRTI'S in adults Flashcards
what are clinical features of acute bronchitis?
inflammation of bronchi, cough & sputum, usually viral and lasts for less than 3 weeks
what are clinical features of pneumonia ?
inflammation of lung parenchyma
what are symptoms of pneumonia ?
fever rigor myalgia cough sputum chest pain (increased of deep ventilation) dyspnoea
what are signs upon examination of pneumonia ?
tachypnoea tachycardia dull percussion bronchial breathing vocal resonance reduced expansion
what investigations would be needed in order to diagnose pneumonia?
bloods and blood cultures chest xray sputum culture viral throat swab legionella urinary antigen
what are causes of recurring pneumonia ?
immunocompromised patients
underlying structural lung disease
aspiration
what typical organisms lead to community pneumonia ?
streptococcus pneumoniae
haemophilus influenzae
mycoplasma pneumoniae
what atypical organisms lead to community pneumonia ?
legionella pneumophilia (caused from fresh water and A/C) chlamydia pneumoniae (common in patients with coronary artery disease) chlamydia psittaci (from birds) moraxella catarhalis (common in patients with COPD) coxiella burnetti (from farm animals)
what are common organisms that cause nosocomial pneumonia?
enterobacteria
staphylococcus aureus
pseudonomas aeruginosa (produces green sputum)
klebsiella pneumoniae
what does CURB65 stand for?
Confusion
blood Urea >7mmol/L
systolic BP <90mm/Hg and diastolic BP <60mm/Hg
older or 65
how is CURB65 scored?
0/1- low risk, treat at community
2- moderate risk, hospital treatment
3/5- high risk of death and ITU needed
what antibiotics would be used for a score of 0/1 in regards to CURB65?
5 days amoxicillin, if allergic to penicillin use clarithromycin or doxycycline
what antibiotics would be used for a score of 2 in regards to CURB65?
5-7 days amoxicillin+clarithromycin, if allergic to penicillin use levofloxacin
what antibiotics would be used for a score of 3-5 in regards to CURB65?
7-10 days co-amoxiclav+clarithromycin, if allergic to penicillin use levofloxacin or co-trimoxazole