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Low Respiratory Disease: Pneumonia

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Introduction: This case study will examine the lower respiratory disease, Pneumonia. It will cover the aetiology, pathophysiology, signs and symptoms/clinical manifestations, treatment options pharmacological and non-pharmacological, acute and chronic complications of pneumonia, and lifestyle changes in relation to the Case Study Mr. Dudley Dawes. Aetiology Pneumonia has many different causatives; Bacterial, Viral, Fungi or Parasitic (Tannehill-Jones, 2010). If there is no infection present, the patient may only have a hypersensitivity to dust or other allergens, the term used in this instance is Pneumonitis, meaning inflammation of the lung tissues (Association, 2015a). Common bacteria that cause pneumonia include; bacterium Streptococcus …show more content…

Signs and symptoms of pneumonia are; fever >38, SOB, tachypnoea, productive cough with purulent mucous, pain when breathing (Nader Kamangar, 2015b). The doctor will listen to the lungs (auscultation) of the patient, they are listening for crackling, bubbling sounds called “rales”, he will also auscultate for areas of the lungs where no breathing sounds can be heard, as this will indicate congestion in that lobe of the lung. Another way to find this is by tapping on the chest and back. The doctor is listening for a dull sound as opposed to a hollow sound, the dull sound is where congestion is noted, the doctor will also see if accessory muscles are being used to breathe this would indicate dyspnoea (Association, 2015b). The doctor will order an FBC (full blood count) to check white cell count, this will determine if there are noted signs of infection present in the blood, arterial blood gases to ensure that enough oxygen is getting into the blood via the lungs, CT scan to check the functioning of the lungs, pulse oximeter will verify the oxygen saturation levels in the blood of the patient healthy is 95% – 100% any readings lower than 90% can indicate hypoxia, a simple urine test could rule out Legionella pneumonia (Association, 2015b). Nosocomial is the term used when a patient contracts a disease in a healthcare setting (Nader Kamangar, 2015a). Knowing where the patient contracted pneumonia increases the likelihood of finding the correct treatment quicker. Common pathogens responsible for nosocomial pneumonia; Staphylococcus aureus, Streptococcus pneumoniae, P aeruginosa, Klebsiella species, Escherichia coli, Acinetobacter species and Haemophilus influenzae (Burke A Cunha,

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