RT Journal Article SR Electronic T1 Orthostatic tachycardia after covid-19 JF BMJ JO BMJ FD British Medical Journal Publishing Group SP e073488 DO 10.1136/bmj-2022-073488 VO 380 A1 Espinosa-Gonzalez, Ana B A1 Master, Harsha A1 Gall, Nicholas A1 Halpin, Stephen A1 Rogers, Natalie A1 Greenhalgh, Trisha YR 2023 UL https://www.bmj.com/content/380/bmj-2022-073488.abstract AB