Medicine All are true about acute pericarditis except: A Pain radiate to left shoulder & arm B Widespread elevation of the ST segments, often with upward concavity & then return to baseline C Pain relieved by lying supine & intensified by sitting up and leaning forward D Coicosteroid relieves symptoms 💡 Explanation All are true about acute pericarditis except: ✓ Correct Answer: C. Pain relieved by lying supine & intensified by sitting up and leaning forward