A medical technician who operates equipment to record the electrical activity of the heart.
From Greek 'kardia' (heart) + 'graphos' (writer/recorder). The suffix '-grapher' refers to someone who makes records or measurements, emerging in medical terminology in the 19th century as diagnostic technology advanced.
Cardiographers are the unsung heroes of heart diagnosis—they create the EKGs and ultrasounds that doctors use to detect heart attacks before they happen, saving thousands of lives daily without most people knowing their name.
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