| Acute pericarditis | |
|---|---|
 | |
| An ECG showing pericarditis. Note the ST elevation in multiple leads with slight reciprocal ST depression in aVR. | |
| Specialty | Cardiology  |
Acute pericarditis is a type of pericarditis (inflammation of the sac surrounding the heart, the pericardium) usually lasting less than 4 to 6 weeks.[1] It is the most common condition affecting the pericardium.
- ^ "What Is Pericarditis?". American Heart Association.