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Pericarditis (Clinical Presentation (Chest pain (Rapid onset, Worse on…
Pericarditis
Clinical Presentation
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Chest pain
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Radiates to arm, more specifically the trapezius ridge (has co-innervation with the phrenic nerve)
Differential Diagnosis
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Pneumonia, GI reflux, peritonitis & aortic dissection
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Epidemiology
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Majority are idiopathic and most commonly seen in the young, previously healthy patient
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Pathophysiology
Pericardium becomes acutely inflamed, with pericardial vascularisation and infiltration with polymorphonuclear leukocytes
A fibrinous reaction frequently results in exudate and adhesions within the pericardial sac, and a serous or haemorrhage effusion may develop
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