Pain or ache in the heart; a sensation of pain in the cardiac region, especially from emotional distress.
From Greek 'kardia' (heart) + 'algos' (pain). The '-algia' suffix appears in countless medical terms like 'neuralgia' (nerve pain) and 'arthralgia' (joint pain), standardizing pain descriptions across anatomy.
For centuries, doctors and poets used cardialgia to describe heartache from love or grief—it's fascinating that modern medicine recognizes 'broken heart syndrome' (takotsubo cardiomyopathy) as a real physical condition where emotional pain causes actual heart damage.
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