What is the difference between ECG and echo?

Related questions

1. What are the causes of echo?
2. What are the differences between echo and reverberation?
3. What is an example of reverberation?
4. How can reverberation be reduced?
5. Why do we hear more clearly in a furnished room than in an empty room?
6. Can an echocardiogram detect clogged arteries?
7. What is reverb time?
8. What are the conditions to hear an echo?
9. What if my echocardiogram is abnormal?
10. What is echo effect?

Tags

1. #echoing
2. #doctors
3. #sound
4. #frequency
5. #echocardiogram
6. #blood
7. #testing
8. #waves
9. #ultrasound
10. #comparison
11. #helps
12. #procedure
13. #create
14. #image
15. #internal
16. #through
17. #visual
18. #heart
19. #structure
20. #advanced