Mar 6, If you have acute pericarditis, the most common symptom is sharp, stabbing chest pain behind the breastbone or in the left side of your chest.
Feb 20, Man holding his chest with pain under left breast heavy, weak shoulders or arms; severe pain traveling to the arm, jaw, neck, back, and elsewhere in the body . Lying on the side of the pain can help relieve pain symptoms.
Because the heart is located left and center in the chest — and because first thing people think of when they experience pain near their left breastbone. common in women); fatigue; discomfort in the arm, shoulder, and jaw sharp, stabbing pain, often on the left side of the chest; sudden.