biostudies-literatureUnknown8(9)Maganti K<h4>Importance</h4>The association of cardiopulmonary point-of-care ultrasonography (POCUS) with length of stay (LOS) and hospitalization costs for patients admitted to internal medicine wards remains uncertain.<h4>Objective</h4>To evaluate a collaborative implementation model involving hospitalists, sonographers, and a remote cardiologist for integrating cardiopulmonary POCUS into the assessment of adult patients (≥18 years) hospitalized with undifferentiated dyspnea, and to assess its association with LOS and hospitalization costs.<h4>Design, setting, and participants</h4>This quality improvement study employed a type 1 effectiveness-implementation hybrid design using a 6-month stepped-wedge cluster randomized approach, conducted at a tertiary care hospital in the US between December 7, JAMA network opene2530677https://www.ebi.ac.uk/biostudies/studies/S-EPMC12413653biostudies-literatureCardiopulmonary Point-of-Care Ultrasonography for Hospitalist Management of Undifferentiated Dyspnea.PMC12413653Maganti KJamthikar ADParikh PSengupta PPChen CYanamala NfalseCardiopulmonary Point-of-Care Ultrasonography for Hospitalist Management of Undifferentiated Dyspnea.<h4>Importance</h4>The association of cardiopulmonary point-of-care ultrasonography (POCUS) with length of stay (LOS) and hospitalization costs for patients admitted to internal medicine wards remains uncertain.<h4>Objective</h4>To evaluate a collaborative implementation model involving hospitalists, sonographers, and a remote cardiologist for integrating cardiopulmonary POCUS into the assessment of adult patients (≥18 years) hospitalized with undifferentiated dyspnea, and to assess its association with LOS and hospitalization costs.<h4>Design, setting, and participants</h4>This quality improvement study employed a type 1 effectiveness-implementation hybrid design using a 6-month stepped-wedge cluster randomized approach, conducted at a tertiary care hospital in the US between December 7, 2025-01-01T00:00:00Z2025 Sep2026-06-04T16:25:23.749Z2026-06-02T03:08:44.831ZS-EPMC124136534091130810.1001/jamanetworkopen.2025.30677