RT Journal Article SR Electronic T1 Diagnosis and management of postural orthostatic tachycardia syndrome JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E378 OP E385 DO 10.1503/cmaj.211373 VO 194 IS 10 A1 Raj, Satish R. A1 Fedorowski, Artur A1 Sheldon, Robert S. YR 2022 UL http://www.cmaj.ca/content/194/10/E378.abstract