Respiratory Flashcards
features of moderate asthma exacerbation
- PEFR 50-75%
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- RR <25
- pulse <110
features of severe asthma exacerbation
- PEFR 33-50%
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- RR >25
- pulse >110
features of life-threatening asthma exacerbation
- PEFR <33%
- sats <92%
- silent chest, cyanosis, poor respiratory effort
- bradycardia, dysrhythmia, or hypotension
- exhaustion, confusion or coma
adults - dose of salbutamol nebs in acute asthma
5mg (with O2) - 15-20 min intervals
in children - under 5 = 2.5mg, over 5 = 5mg
adults - dose of ipratropium bromide in acute asthma
500mcg (with O2) - 4-6 hourly
in children - 250mcg every 5 mins
adults - dose of hydrocortisone/ prednisolone in acute asthma
200mg IV
or prednisolone 40mg PO
in children - 1-2mg per kg per day prednisolone PO
adults - dose of magnesium sulphate in acute asthma
2g IV over 20 mins
when can you discharge someone with acute asthma exacerbation
inhalers 4 or more hours apart
follow up after acute asthma exacerbation
- see GP/asthma nurse in 2 days to review meds
- see resp specialist within 1 month of discharge
most common bacterial cause of infective exacerbation of COPD
h. influenzae
most common viral cause of infective exacerbation of COPD
human rhinovirus
management of acute COPD exacerbation
- venturi to keep oxygen 88-92
- salbutamol nebs 5mg B2B
- ipratropium bromide 500mcg nebs
- prednisolone 30mg PO
- oral abx if infective signs
antibiotic to give in infective exacerbation of COPD
amoxicillin 500mg TDS 5 days
or doxycycline/ clarithromycin
when to give abx in acute bronchitis
- systemically very unwell
- signs suggestive of pneumonia
- co-morbidities or immunosuppression
- CRP >100 (offer delayed if 20-100)
- > 65 with acute cough and 2+, or >80 with acute cough and 1+ of: hospitalisation in previous year, diabetes, heart failure or taking steroids
abx to give if required in acute bronchitis
orał doxycycline (not in pregnancy)
amoxicillin if pregnant or clarithromycin /erythromycin if penicillin allergic
management of primary pneumothorax if <2cm and not SOB
? discharge (review in outpatients in 2-4 weeks)
management of primary pneumothorax if >2cm/SOB
- aspirate with 16-18G cannula, <2.5L
- if fails (still >2cm) then insert chest drain and admit
management of secondary pneumothorax
- > 2cm/SOB - chest drain
- 1-2cm - aspiration 16-18G cannula, <2.5L, if fails (still >1cm), chest drain
- <1cm - O2 and admit for 24 hours
where is the triangle of safety (for chest drain insertion)
- anterior = pectoralis major
- posterior = latissimus dorsi
- 5th rib
do you always put in a chest drain after aspirating a tension pneumothorax
yes
investigations for suspected PE if wells score <4 or >4
- <4 = D-dimer, if positive do CTPA
- >4 = CTPA
PERC score (HAD CLOTS)
- hormones
- age >50
- DVT/PE history
- coughing blood
- leg swelling
- O2
- tachycardia
- surgery/trauma
if none are met - <2% chance of PE
a massive PE is
PE + hypotension or cardiac arrest - give alteplase
a submassive PE is
- hypoxia
- echo/ECG showing right heart strain
- positive cardiac biomarker e.g. troponin
management of PE
- ABCDE
- LMWH or fondaparinux for minimum 5 days or until INR >2
- warfarin/DOAC commended within 24 hours
how long to give LMWH or fondaparinux after PE
- minimum 5 days or until INR >2
- until end of pregnancy if pregnant
- 6 months in patient with active cancer or IVD
when NOT to give LMWH or fondaparinux after PE
- increased risk bleeding
- haemodynamically unstable
- severe renal impairment
common cause of HAP in alcoholics
Klebsiella
most likely location of aspiration pneumonia
R lower lobe
management of VAP
tazocin/levofloxacin
type of pneumonia associated with erythema multiforme/nodosum
mycoplasma
type of pneumonia which can be caused by exposure to birds
chlamydophila psittaci
CURB-65 score
AMTS <8 Urea >7 RR >30 BP <90 or <60 Age >65
score 1 point for each
0-1 = low risk (manage at home0 2 = intermediate risk (hospital) 3 = high risk (ICU?)
atypical pneumonia screen includes screening for
- mycoplasma
- legionella
- chlamydia
when to use flucloxacillin in pneumonia
if staph suspected (e.g. influenza)
when to use vancomycin in pneumonia
if ?MRSA
treatment of severe pneumonia
IV amoxicillin + macrolide (e.g. clarithromycin) for 7-10 days
consider using co-amoxiclav, ceftriazone or tazocin with a macrolide if highly severe
treatment of HAP
not severe = co-amoxiclav 5 days (doxy if penicillin allergic)
tazocin if severe symptoms