RT Journal Article SR Electronic T1 Point-of-care transthoracic echocardiography JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP e428 OP e428 DO 10.7861/clinmed.Let.21.4.5 VO 21 IS 4 A1 Oscar MP Jolobe YR 2021 UL http://www.rcpjournals.org/content/21/4/e428.1.abstract