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Information provided by the echocardiographic examination.
![Figure 26. Information provided by the echocardiographic examination](https://echobyweb.com/wp-content/uploads/2022/04/InformationProvidedbyEcho-1024x462.jpg)
The “4 layers” of information provided by the exam. The operator should approach echocardiographic imaging keeping in mind the progressive acquisition of all these information categories.
![Figure 27. Available 2D and Doppler echocardiographic ° tools° for noninvasive hemodynamic measurements](https://echobyweb.com/wp-content/uploads/2022/03/Diastole_Brief_Fig-08-1024x656.jpg)
Figures 27 and 28. An example of the available “tools” that can be used to acquire the 4th layer of information: Hemodynamic estimates (see for details: “Classroom -> LV Diastolic Function“, Page 8).
![Figure 28. Noninvasive hemodynamics with Doppler echocardiography](https://echobyweb.com/wp-content/uploads/2022/04/NoninvasivehemodynamicsDoppler-1024x688.jpg)
Figure 28. Noninvasive 2D, pulsed and continuous wave Doppler measurements of hemodynamic parameters.