Research Article Open Access Nonstandard Abbreviations and Acronyms KH Komodo Health PS propensity score SE stress echocardiography SMD standardized mean difference TTE transthoracic echocardiogram UEAs ultrasound enhancing agents CLINICAL PERSPECTIVE • In this large, nationwide claims analysis evaluating 500 073 individuals who received ultrasound enhancing agents and 2 474 914 propensity‐matched controls who did not receive ultrasound enhancing agents for transthoracic/stress...