Victor Kiriakis. Victor Kiriakis is a fictional character on NBC's Days of Our Lives. The role has been portrayed by John Aniston since 1985. His time on the show has been since 1985 with a brief storyline driven absence in 2004 when his character was killed off but found alive on the island of Melaswen.
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Underlying medical conditions may be the cause of heart palpitations. These include: overactive thyroid; anemia; low blood sugar; low potassium; dehydration; high temperature and fever; loss of blood; shock; low oxygen or carbon dioxide levels in the blood; Hormone changes. Hormonal changes are another possible cause of heart palpitations. Changes in hormone levels may result from: menstrual periods; pregnancy; menopause; Heart conditions. Palpitations can also be caused by heart conditions, including: arrhythmias (abnormal heart rhythms) coronary artery disease or a heart attack; heart valve problems; heart failure