Lower Respiratory Tract Infections in Adults Flashcards
<p>What is the UK incidence of pneumonia?</p>
<p>5-11/1000 adult population</p>
<p>What percentage of community acquired pneumonia requires hospitalisation?</p>
<p>Between 22 and 42%</p>
<p>What is the mortality of hospitalised patients with pneumonia?</p>
<p>6-12%</p>
<p>What are some symptoms of pneumonia?</p>
<p>Malaise</p>
<p>Myalgia</p>
<p>Fever</p>
<p>Chest pain</p>
<p>Cough</p>
<p>Purulent sputum</p>
<p>Dyspnoea</p>
<p>What are some signs of pneumonia?</p>
<p>Pyrexia</p>
<p>Tachypnoea</p>
<p>Central cyanosis</p>
<p>Dullness on percussion of affected lobe</p>
<p>Bronchial breath sounds</p>
<p>Inspiratory crepitations</p>
<p>Increased vocal resonance</p>
<p>What investigations are done for pneumonia?</p>
<p>Serum biochemistry, full blood count and C-reactive protein (CRP) test</p>
<p>Chest X-ray</p>
<p>Blood cultures</p>
<p>Throat swab</p>
<p>Urinary legionella antigen</p>
<p>Sputum microscopy and culture</p>
<p>HIV test</p>
<p>What microrganisms are the 3 three for causing pneumonia?</p>
<p>1) Strep pneumoniae (39%)</p>
<p>2) Chlamydophilia pneumoniae (13.1%)</p>
<p>3) All viruses (13.1%)</p>
<p>What is the severity of pneumonia measured by?</p>
<p>CURB 65</p>
<p>What does CURB 65 stand up for?</p>
<p>C confusion</p>
<p>U blood urea > 7</p>
<p>R respiratory rate > 30</p>
<p>B diastolic blood pressure < 60</p>
<p>What is each aspect of CURB 65 given a score of?</p>
<p>0 (low risk and could be treated in the community)</p>
<p>1-2 (hospital treatment usually required)</p>
<p>3 (high risk of death and need for ITU)</p>
<p>What is the treatment for a CURB score of 0-1?</p>
<p>Amoxycillin or clarithromycin/deoxycycline</p>
<p></p>
<p>What is the treatment for a CURB 65 score of 2?</p>
<p>Amoxycillin and clarithromycin or levoflaxacin</p>
<p>What is the treatment for a CURB 65 score of 3-5?</p>
<p>Co-amoxiclav and clarithromycin or levoflaxacin (if penicillin alergic)</p>
<p>What are some things that come before pneumonia?</p>
<p>Aspiration pneumonia</p>
<p>Haematological malignancy</p>
<p>Legionnaires disease</p>
<p>Influenza</p>
<p>Staph pneumonia including PVL toxin</p>
<p>MRSA</p>
<p>HIV</p>
<p>What treatment should be used for pneumonia caused by MRSA?</p>
<p>Vancomycin or linezolid</p>
<p>What are treatment for pneumonia other than antibiotics?</p>
<p>Oxygen</p>
<p>IV fluids</p>
<p>CPAP (continuous positive airway pressure, keeps airways open)</p>
<p>Intubation and ventilation</p>
<p>What does CPAP stand up for?</p>
<p>Continuous positive airway pressure</p>
<p>What are some possible complications of pneumonia treatment?</p>
<p>Septicaemia</p>
<p>Acute kidney injury</p>
<p>Empyema</p>
<p>Lung abscess</p>
<p>Metastatic infection</p>
<p>ARDS (acute respiratory distress syndrome)</p>
<p>What does ARDS stand up for?</p>
<p>Acute respiratory distress syndrome</p>
<p>What is acute respiratory distress syndrome?</p>
<p>Widespread inflammation of the lungs</p>
<p>What is differential diagnosis?</p>
<p>Process of differentiation between two or more conditions which share similar signs or symptoms</p>
<p>What is the process of differentiating between two or more conditions that share similar symptoms called?</p>
<p>Differential diagnosis</p>
<p>What does differential diagnosis of pneumonia exclude?</p>
<p>TB</p>
<p>Lung cancer</p>
<p>Pulmonary embolism</p>
<p>Pulmonary oedema</p>
<p>Pulmonary vasculitis</p>
<p>What is empyema?</p>
<p>Collection of pus in the pleural cavity caused by microorganisms</p>
<p>What is a collection of pus in the pleura cavity caused by microorganisms called?</p>
<p>Empyema</p>
<p>What may follow pneumonia?</p>
<p>Empyema</p>
<p>Lung abscess</p>
<p>Bronchiestasis</p>
<p>What are the top 3 organisms that cause empyema?</p>
<p>Steptococcus (52%)</p>
<p>Anarobes (20%)</p>
<p>Staph aureus (11%)</p>
<p></p>
<p>What is the prominant feature of empyema?</p>
<p>Chest pain</p>
<p>What symptoms is absent with empyema?</p>
<p>Cough</p>
<p>What is used to investigate empyema?</p>
<p>CT thorax and ultrasound</p>
<p>What is empyema diagnosed by?</p>
<p>Pleural aspiration (pH < 7.2)</p>
<p>What is the treatment for empyema?</p>
<p>Chest drain and IV antibiotics</p>
<p>Surgery for patients who do not improve</p>
<p>What is a lung abscess?</p>
<p>Necrosis of lung tissue leading to the formation of cavities containing necrotic debris or fluid caused by microbial infection</p>
<p>What is necrosis of lung tissue leading to the formation of cavities containing necrotic debris called?</p>
<p>Lung abscess</p>
<p>What are organisms that are more likely to cause lung abscess than others?</p>
<p>Staph aureus</p>
<p>Pseudonomas</p>
<p>Anaerobes</p>
<p>What can the symptoms of lung abscess be?</p>
<p>Nonspecific such as lethargy, weight loss and high swing fever</p>
<p>What is lethargy?</p>
<p>Lack of energy</p>
<p>What is a lack of energy called?</p>
<p>Lathargy</p>
<p>What is lung abscess investigated by?</p>
<p>CT thorax</p>
<p>Sputum culture</p>
<p>What is the treatment of lung abscess?</p>
<p>Prolonged antibiotics</p>
<p>How is drainage for a lung abscess done?</p>
<p>Via the bronchial tree, occasionally percutaneous draining</p>
<p>What is bronchiectasis?</p>
<p>Airways of the lung become abnormally widened, leading to excessive build up of mucus that can make the lungs more vulnerable to infection</p>
<p>What does bronchiectasis cause in the lungs?</p>
<p>Build up of mucus making them more vulnerable to infection</p>
<p>What is it called when the airways of the lungs become abnormally widened?</p>
<p>Bronchiectasis</p>
<p>What are some of the causes of bronchiectasis?</p>
<p>Idiopathic</p>
<p>Immotile cilia syndrome</p>
<p>Cystic fibrosis</p>
<p>Childhood infections such as measles</p>
<p>Hypogammaglobulinemia</p>
<p>Allergic bronchopulmonary aspergillus</p>
<p>What is immotile cilia syndrome?</p>
<p>Genetic disorder that causes defects in cilia</p>
<p>What is a genetic disorder that causes defects in cilia?</p>
<p>Immotile cilia syndrome</p>
<p>What is hypogammaglobulinemia?</p>
<p>Reduction in all types of gamma globulins</p>
<p>What is a reduction in all types of gamma globulins called?</p>
<p>Hypogammaglobulinemia</p>
<p>What does ABPA stand up for?</p>
<p>Allergic bronchopulmonary aspergillosis</p>
<p>What are the symptoms of bronchiectasis?</p>
<p>Chronic cough</p>
<p>Daily sputum production</p>
<p></p>
<p>Sometimes:</p>
<p>Wheeze</p>
<p>Dyspnoea</p>
<p>Tiredness</p>
<p>Flitting chest pains</p>
<p>Haemoptysis</p>
<p>What are signs of bronchiectasis?</p>
<p>Finger clubbing</p>
<p>Course onspiratory crepitation (auscultation)</p>
<p>What investigations are done for bronchiectasis?</p>
<p>High resolution CT thorax</p>
<p>Sputum culture</p>
<p>Serum immunoglobulins</p>
<p>Total IgE and aspergillus precipitins</p>
<p>CF genotyping</p>
<p>What is the treatment for bronchiectasis?</p>
<p>Chest physiotherapy</p>
<p>Prompt treatment of infections with antibiotics</p>
<p>May require inhaled therapy including B2agonist and corticosteroid</p>