hi Welcome to health care magic
Trauma to Pericardium
is causing Pericardium. The if there is inflammation it will resolve with rest, Aspirin
. You need to close follow with physician for any signs of chest pain
and increased heart and decreased BP.
It takes 4-6 weeks of time to heal and resolve. If there is fever means it might have infected , then you need antibiotics. you also Echo cardiogram when there is fever.