A person who has an irrational fear of heart disease or cardiac problems.
From Greek 'kardia' (heart) + 'phobos' (fear). This noun follows the pattern of terms like 'claustrophobe' to describe someone with a specific phobia.
A cardiophobe is someone with cardiophobia—this is a real condition where people panic about having a heart attack, often leading to health anxiety that ironically stresses their actual heart.
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