| Obligatory | 1. Must not donate if: 
 
 
  | 
| Discretionary | 1. Donors with a previous history of an arrhythmia triggered by a non-cardiac medical condition which has now been treated (eg thyrotoxicosis), refer to a DCSO. 
 
 accept. 
  | 
| See if Relevant | |
| Additional Information | Some heart irregularities may be made worse by giving blood. This includes a risk that donation could trigger a recurrence in someone with a history of a previous arrhythmia. In cases where the donor’s eligibility is not clear, DCSO referral ensures further information can be sought regarding their condition.  | 
| Reason for change | Discretionary criteria revised.  | 
| Donor Information | If you wish to obtain more information regarding a personal medical issue, please contact your National Help Line.  | 
This entry was last updated in:
WB-DSG Edition 203 Release 72