pericarditis Flashcards
what is the pericardium
protective covering for the heart
what does pericardium consist of
- outer fibrous pericardial sac
- inner serous pericardium
what does the outer pericardium line
the fibrous sac
what is normal amount of pericardial fluid
20-49mL
what does the pericardial fluid do
lubricate the surface of the heart
what is pericarditis
inflammation of the pericardium
what are most cases caused by
unknown
causes
- infection e.g. TB, strep, staph, H.influenza
- tumours
- autoimmune
- post-surgical
- post-radiation
- familial
what is most common viral cause
Coxsackie B virus
echovirus
how long does viral pericarditis last
short time
what is an implication
HIV
what can bacterial pericarditis occur with
- septicaemia
- pneumonia
what is a frequent cause of bacterial pericarditis in HIV patients
staph aureus
what does TB pericarditis present with
- low grade fever in evening
- SOB
- malaise
- night sweats
- weight loss
what is required for diagnosis of TB pericarditis
pericardial aspiration