lec 2 Pericardium and myocardium pathology

Question 1

Etiology of Pericarditis

Answer 1

Primary causes is uncommon

Secondary causes more common

Question 2

Primary causes of Pericarditis

Answer 2

Viral infection (often with concurrent 
myocarditis).
– Bacteria 
– Fungi            less common
– Parasites

Question 3

the most common systemic disorder

associated with pericarditis.

Answer 3

Uremia

Question 4

Secondary causes of Pericarditis

Answer 4

– Acute MI or cardiac surgery (so-called “Dressler’s syndrome”),
– radiation to the mediastinum,
– processes involving other thoracic structures (e.g., pneumonia or pleuritis).
– Rheumatic fever
– Systemic lupus erythematosus Less common
– metastatic malignancies.

Question 5

Pericarditis Sequalea

Answer 5

Resolve smoothly
Large effusion (cardiac tamponade)
Chronic pericarditis (fibrosis)

Question 6

Morphology of Pericarditis

Answer 6

Fibrinous “bread and butter”
Fibrinopurulent (suppurative)
Fibrinous exudate and bloody effusion

Question 7

Fibrinous exudate and bloody effusion result from

Answer 7

Metastases

Question 8

Fibrinous “bread and butter result from

Answer 8

• Uremia, viral

* Mostly resolve spontaneously

Question 9

Fibrinopurulent (suppurative)

Answer 9

• Acute bacterial
• Caseaous in cases of tuberceulous
pericarditis.
• Mostly resolve spontaneously
• But if extensive cause fibrosis