Mid to r sided tight chest pain rad to shldr. both sides hurt and pain sharper when lay down. diangosis pericarditis. why is pain more diffuse lying down?

Typical: This is a classical part of the description of the pain of pericarditis. When you are lying down, the heart shifts slightly in relation to other structures in your chest, making discomfort from the inflammation more intense.

Pericarditis : Pain of pericarditis is worse when lying doctor Eb due to heart’s position and relation ( rubbing ) with other organs .