1. SecondsCount, Abnormal heart rhythms, URL http://www.secondscount.org/heart-condition-centers/info-detail-2/abnormal-heart-rhythms-5#.XnDrOnJKipp.
2. WordPress, Behind the wheel cardiac arrest, URL http://part380.com/blog/tag/sudden-cardiac-arrest-while-driving.
3. Fitness to drive in cardiovascular disease;Klein;Deutsches Arzteblatt international,2017
4. WebMD, Heart attack and cardiac arrest for men, URL https://www.webmd.com/men/guide/heart-attack-cardiac-arrest#1.
5. Emedicinehealth, Sudden cardiac arrest, URL https://www.emedicinehealth.com/sudden_cardiac_arrest/article_em.htm.