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Fig. 1 | Trials

Fig. 1

From: Impact of point-of-care ultrasound on the hospital length of stay for internal medicine inpatients with cardiopulmonary diagnosis at admission: study protocol of a randomized controlled trial—the IMFCU-1 (Internal Medicine Focused Clinical Ultrasound) study

Fig. 1

Ultrasonography windows assessed in heart POCUS. Four anatomical windows are used to assess eight views of the heart: (1) At the level of the fourth intercostal space lateral to the left border of the sternum, PLAX and RV inflow are recorded. (2) The second window is technically the same than the first, from PLAX the probe is rotated in clock direction ending in the PSAX. Two views are recorded at this point, one at the level of the aortic valve and other at the level of papillary muscle or mid left ventricle. (3) Apical window is found about the fifth intercostal space between the mid clavicular line ant the anterior axillary line. In this window the views assessed are A4C and apical five-chamber. (4) Subcostal window involves two views: subcostal four-chamber view of the heart and the IVC view where the IVC can be identified ending in the right atrium. A4C, apical four chambers, IVC inferior vena cava, PLAX parasternal long axis, POCUS point-of-care ultrasound, PSAX parasternal short axis, RV right ventricle

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