A respiration monitoring device for monitoring a respiratory system of a patient includes an electronic controller configured to receive first ultrasound imaging data as a function of time acquired of a first portion of the respiratory system of the patient over a first time interval; receive second ultrasound imaging data as a function of time acquired of a second portion of the respiratory system of the patient over a second time interval wherein the second portion of the respiratory system of the patient is contralateral to the first portion of the respiratory system of the patient; and present a graphical user interface (GUI) displaying a visualization including simultaneous display of an image of the first portion of the respiratory system of the patient and an image of the second portion of the respiratory system of the patient respectively.