echocardiogram
USek-oh-KAR-dee-uh-gram/ˌɛkoʊˈkɑɹdiəˌɡɹæm/UKek-oh-KAH-dee-uh-gram/ˌɛkəʊˈkɑːdiəˌɡɹæm/
Pluralechocardiograms
- 1The moving image of the heart produced by an echocardiograph using reflected ultrasound.
Like sonar mapping the seafloor, except the target is a beating heart.
The cardiologist studied the echocardiogram carefully before recommending surgery.
Her echocardiogram revealed a leaking valve that needed monitoring.
Note
Keep the endings apart: the echocardiograph is the instrument, and the -gram is what it produces, the way a telegram is what a telegraph sends. The machine aims high-frequency ultrasound at the heart and rebuilds the returning echoes into a moving picture of chamber walls, valves and blood flow, so a cardiologist reads the result as motion rather than as a single still.
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