For citations:

Valyuzenich Ya.I., Rudoy A.S., Khatsko N.G. Ultrasonic assessment of thoracic aortic contractility using 2D speckle tracking. Emergency Cardiology and Cardiovascular Risks journal. 2025;9(2):2580-2585. (In Russ.) https://doi.org/10.51922/2616-633X.2025.9.2.2580