Resp Flashcards
What are the anatomical classifications of Pneumonia?
Bronchopneumonia (patchy consolidation of different lobes)
Lobar Pneumonia (Congestion, Red Hepatisation, Grey Hepatisation, Resolution)
What are the four aetiological classifications of Pneumonia?
Community Acquired, Hospital Acquired, Immunocopromised, Aspiration
Name three causative organisms of Community Acquired Pneumonia
Streptococcus Pneumoniae, Haemophilus Influenza, Moraxella Catarrhalis
Name three causative organisms of Hospital Acquired Pneumonia
Staphylococcus Aureus (inc MRSA), Klebsiella Pneumoniae, Pseudomonas Auerginosa
Name two causative organisms of Immunocompromised Pneumonia
Pneumocystis Jiroveccii (fungi) and TB
What type of organisms are responsible for aspiration pneumonia?
Anaerobes
What lung is more likely to be affected by aspiration pneumonia
Right
Name four symptoms of Pneumonia
Dyspnoea, Cough (Purulent), Fever, Pleuritic Chest Pain
Name four signs of Pneumonia
Tachycardia, Tachypnoea, Cyanosis, Confusion
What would you find OE of Pneumonia?
Decreased expansion, Dull percussion, Bronchial Breathing, Increased vocal resonance, Crackles
What are you looking for on a CXR of Pneumonia?
Infiltrates, Cavities, Effusion
When would you do an ABG in a pneumonia patient?
if pO2<92%
Apart from a CXR and ABG, name three investigations you could do for pneumonia, and what would you expect them to show?
Urine - Pneumococcal/Legionella antigens
Bloods - raised WCC, raised CRP, raised urea
Sputum - Microscopy, culture and staining
How is the severity of pneumonia scored?
CURB 65 - actually calculates the mortality but from this the severity can be inferred
Confusion, Urea>7mmol/l, Resp Rate>30, BP Systolic<90, Age>65
What is the management of mild CAP?
500mg Amoxicillin for 5 days
What is the management of moderate CAP?
500mg Amoxicillin AND 200mg Doxycycline for 5 days
What is the management of severe CAP?
IV Co-Amoxiclav and ORAL Clarithromycin
What is the management of HAP?
Mild/Moderate - Oral Co-Amoxiclav
Severe - IV Co-Amoxiclav (Or tazocin)
Fluids
Analgesia
Follow up CXR at 6/52
What is Pneumovax?
Vaccination against pneumococcal pneumonia
GIven to over 65s, immunosupressed, diabetics
Lasts for 6yrs
Name 5 complications of Pneumonia
Respiratory Failure, Hypotension, AF, Pleural Effusion, Empyema
What is Interstitial Lung Disease?
Umbrella term for disorders causing fibrosis of the lungs
What are the 5 classifications of ILD?
Idiopathic, Granulomatous, Occupational, Rheumatic, Iatrogenic
What are the causes of Idiopathic ILD?
Usual Interstitial Pneumonia, Acute Interstitial Pneumonia, Non Specific Interstitial Pneumonia
Name a granulomatous cause of ILD
Sarcoidosis - systemic inflammation characterised by non caseating granulomas
Name three drugs causing ILD
Bleomycin, Nitrofurantoin, Amioderone
What is Extrinsic Allergic Alveolitis?
Hypersensitivity reaction
Can be acute (more reversible) or chronic (less reversible)
Name three symptoms of ILD
Dry cough, Exertional Dyspnoea, Malaise
Name three signs of ILD (hint:3Cs)
Cyanosis, Clubbing, Crepitations (fine)
Name three investigations carried out for ILD, and what they would show
Bloods - ABG and looking for underlying cause
CXR- reduced lung volume, lower zone shadowing
Spirometry - Restrictive Pattern
What would a biopsy of UIP type ILD show?
Patchy and honeycombing
Name four managements of ILD
1) Remove offending cause
2) Stop smoking
3) Medication
4)Oxygen
In some cases can do lung transplant
Name the two possible pharmacological interventions for ILD
N - Acetyl Cystiene (anti-oxidant properties)
Pirfenidone (downregulates growth factors and reduces fibrosis, FVC between 50 and 80%)
Acute exacerbations - corticosteroids
Define Asthma
Chronic inflammatory disease of the airways causing intermittent and reversible airway obstruction
Name four pathological changes in asthma
Basement membrane thickening
TH2 mediated mast cell degranulation (Prostaglandins, Leukotrienes, Histamines)
Mucus Hypersecretion
Smooth Muscle hypertrophy and hyperplasia
Name three symptoms of Asthma
Dyspnoea, Intermittent cough, Wheeze
Name three signs of Asthma
Tachypnoea, Decreased air entry, Audible wheeze
Name the features of mild Asthma
No features of severe asthma
PEFR>75%
Name the features of moderate Asthma
No features of severe asthma
PEFR 50-75%
Can usually be managed at home
Name the features of severe Asthma
PEFR 33-50%
Incomplete sentences
RR>25
HR>110
Name the features of life threatening Asthma
PEFR<33%
pO2<92%
Cyanosis
Poor resp effort/silent chest
Any normal pCO2
Name the features of near fatal Asthma
raised pCO2
What is the management of acute asthma?
Aim for 94-98% O2
5mg Nebulised salbutamol (every 15 mins)
40mg Oral Prednisolone
What is the management of severe asthma?
500mcg Nebulised Ipratropium Bromide (Antimuscarinic)
Back to Back Salbutamol
What is the management of life threatening asthma?
ITU
CXR
IV Aminophylline (Adenosine Antagonist)
IV salbutamol
Name the 5 features of an asthma discharge plan
PEFR>75%
No nebulisers/o2 requirements in past 12-24h
Inhaler technique checked
Check that:
5 days oral prednisolone
GP follow up in 2 working days
Resp Clinic follow up in 4 weeks
Asthma Nurse referral
What is the definition of COPD?
Progressive airway obstruction with little or no reversibility.
Umbrella term for Chronic Bronchitis and Emphysema
Name 3 causes of COPD
Smoking
Alpha 1 Anti-Trypsin
Industrial Exposure (soot)
Name 3 pathological features of COPD
Mucous gland hyperplasia
Mucous gland hypersecretion
Ciliary Dysfunction
Name 5 signs of COPD
Tachypnoea, Hyperinflation, Decreased expansion, Hyper resonance, quiet breath sounds
What are 4 complications of COPD?
Exacerbations, Polycythaemia, Resp Failure, Cor Pulmonale
What would a CXR of COPD show?
Hyperinflation and flattened diaphragm
What would a CT of COPD show?
Bronchial wall thickening and air space enlargement
What would Spirometry of COPD show?
Obstructive pattern with poor reversibility
State the 5 features of the COPD care bundle
Smoking cessation
Pulmonary Rehab
COPD Information Booklet (breathe easy and british lung foundation)
Inhaler technique
Outpatient follow up
What are the requirements for giving LTOT to COPD patients?
Have to use it atleast 16/24 every day
Must be a non smoker
Must not retain CO2
If pO2 is constently less than 7.2kPa (or 8kPa with Cor Pulmonale)
What is the definition of Bronchiectasis?
Chronic dilation of one or more bronchi due to chronic inflammation leading to poor mucociliary clearance
Name the four main categories of Bronchiectasis causes
Post infective, Immune deficiency, Genetic Deficiency, Obstruction
Name two post infective causes of Bronchiectasis
Whooping Cough
TB
Name an immune deficiency causing Bronchiectasis
Hypogammaglobulinaemia
Name four genetic defects causing Bronchiectasis
Cystic Fibrosis, Primary Ciliary Dyskinesia, Youngs Syndrome (Bronchiectasis, SInusitis, Reduced Fertility), Kartageners Syndrome (Bronchiectasis, Sinusitis, Situs Inversus)
Name the four main infective organisms in Bronchiectasis
Haemophilus Influenza
Streptococcus Pneumoniae
Staphylococcus Aureus
Pseudomonas Auerginosa
State 3 symptoms of Bronchiectasis
Persistent cough, copious sputum production, intermittent haemoptysis
State 3 signs of Bronchiectasis
Clubbing, Coarse crepitations, Wheeze
What is the gold standard investigation for Bronchiectasis, and what does it show?
HRCT
Dilation of the bronchi to larger than the adjacent blood vessel (sygnet ring sign)