RT Journal Article SR Electronic T1 Image of the month: ‘Hourglass left ventricle’ in mid-ventricular hypertrophic cardiomyopathy JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 89 OP 89 DO 10.7861/clinmed.2021-0646 VO 22 IS 1 A1 Nawfal Al-Khafaji A1 Leili Pourafkari YR 2022 UL http://www.rcpjournals.org/content/22/1/89.abstract