Pericarditis Flashcards
Presentation/symptoms of pericarditis?
- Sharp, constant sternal pain relieved by sitting forward
- Pain may radiate to the L shoulder/arm/abdomen
- Pain worse on inspiration, swallowing or coughing
Other symptoms:
* low grade Fever
* Cough
* Pain in joint (arthralgia)
Signs of pericarditis?
- Pericardial friction rub (high pitched scratching sound- best heard over L sternal border during inspiration)
What is paricardial effusion?
When the potential space of the pericardial cavity fills with fluid- creates presure on heart and make it more difficult to expand.
What is cardiac tamponade and signs of it?
Pericardial effusion is large enough to raise intra-pericardial pressure which squeezes heart and
Affects ablity to function
Decreases cardiac output during systole- requires drainage
Signs:
* Pulsus paradoxus- decrease in palpable pulse and arterial systolic presure of 10mmHg on inspiration
* Hypotension
* Muffled heart sounds
* Jugular venous distention
ECG changes in pericarditis?
Saddle shaped ST elevation
PR depression
Management of pericarditis?
Treat underlying cause
NSAIDs and colchicine= 1st line treatment for viral or idopathic pericarditis
Causes of pericarditis?
- Viral infection (Coxsackie)
- TB
- Uraemia
- Post MI
- Radiotherapy
- Hypothyrodism
- Cancer- lung and breast
- Trauma