Related Experiment Video
Updated: Dec 16, 2025

Point-of-Care Lung Ultrasound in Adults: Image Acquisition
Published on: March 3, 2023
Methods of estimation of pleural effusion by ecography
E Carvajal Revuelta1, R García Álvarez1
1Servicio de Anestesiología, Reanimación y Terapéutica del Dolor, Hospital 12 de Octubre, Madrid, España.
Abstract:
Pleural effusion is a frequent pathology in intensive care units. The diagnosis has improved after the introduction of pulmonary ultrasound, an accessible method at the bedside, which allows not only the diagnosis but also the treatment of this entity. The aim of our study is to determine the accuracy of published mathematical equations to calculate the volume of pleural effusion from ultrasound measurements. After doing a systematic review, seven articles were selected that each proposed a mathematical equation. In all of them the results were statistically significant. However, there is no ideal formula among those studied.
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