A 25 year old female comes to her primary care physician because she has been unwell for the past few days with fever, cough and difficulty breathing. She complains of having a sharp localized chest pain when she takes a deep breath or coughs. On Examination she had a fever of 102 F and had a fast breathing. On auscultation a pleural friction rub was heard.
Chest X ray shows few infiltrates but was otherwise normal:

What is the cause Of her Chest Pain?
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The patient is most likely having pleuritc chest pain that is caused by inflammation of the pleura secondary to viral or bacterial lung infection.
Case Discussion:
PLEURISY / PLEURITIC CHEST PAIN
Pleurisy is defined as an inflammation of the pleura (the
lining that surrounds the lungs). This condition can cause sharp pain when
breathing and is known as pleuritic chest pain.
Causes:
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Viral infections (coxsackievirus, RSV, CMV, adenovirus, EBV, parainfluenza, influenza) is the most
common cause of pleurisy.
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Bacterial lung
infection due to pneumonia or Tuberculosis.
- ·
Chest injuries
- ·
Autoimmune
diseases like SLE, RA,
- ·
Malignancy
- ·
Pulmonary embolism
- ·
Drug reactions
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Liver diseases.
Clinical Features: Depending upon the underlying cause of
pleurisy patients may present with a variety of clinical signs and symptoms.
These include: