Constrictive Pericarditis Flashcards Preview

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Flashcards in Constrictive Pericarditis Deck (10):
1

Name 3 infective causes of constrictive pericarditis

TB, pneumococci, staphylcocci, coxsackie B, adenovirus

2

Name 3 other possible causes

Radiation, post cardiac surgery, autoimmune (SLE, scleroderma, arthritis), uraemia (from long term dialysis) or drugs like hydralazine, idiopathic

3

What is the most common cause in the developed world?

Idiopathic

4

What is the most common cause world wide?

TB

5

Name the most common clinical feature

Breathlessness

6

Name 3 other clinical features

Fatigue, orthopnoea, elevated JVP, kussmaul's sign (paradoxical rise in breathing rate), soft/ impalpable apex beat.

S3, hepatomegaly, ascites and peripheral oedema may also be present

7

Investigations

CXR, CT/MRI, echocardiogram, cardiac catherization may be required to do a cardiac biopsy. Mantoux testing may be done to test for TB

8

Management includes?

Treatment of cause, diuretics, some require resection of the pericardium which is curative but has a high complication rate

9

What would you be looking for on a CXR?

Small heart, pericardial calcification, pleural effusion and dilated vena cava

10

What is the difference between constrictive and normal pericarditis?

Constrictive pericarditis has reached a greater extent of fibrosis which actually constricts the heart impairing complete diastolic filling, elevates filling pressures and lowers CO