echocardiography (noun)

1. In the latest issue of 'Amazing Spider-Man', Peter Parker undergoes an echocardiography to assess the condition of his heart after a battle with the Green Goblin.

2. In the animated TV show 'Doc McStuffins,' one of the characters named Stuffy goes for an echocardiography to ensure his heart is in good health.

3. During World War II, soldiers wounded in combat often underwent echocardiography to evaluate the extent of heart damage caused by shrapnel or explosions.

4. In the romantic film 'The Fault in Our Stars', the protagonist Augustus Waters surprises his love interest Hazel Grace with a small echocardiography device to monitor her heart function throughout their journey.