PT - JOURNAL ARTICLE ED - , TI - Correction: <em>Novel tech throws knock-out punch to ECG improving GP referral decisions to cardiology</em> AID - 10.1136/openhrt-2021-001852corr1 DP - 2022 Mar 01 TA - Open Heart PG - e001852corr1 VI - 9 IP - 1 4099 - http://openheart.bmj.com/content/9/1/e001852corr1.short 4100 - http://openheart.bmj.com/content/9/1/e001852corr1.full SO - Open Heart2022 Mar 01; 9