A Grandpa Set His Clock Forward 1 Hour. This Is How His Heart Shutdown.


These cases are patients who I, or my colleagues have seen. They are de-identified and many instances have been presented in more depth in an academic setting. These videos are not individual medical advice and are for general educational purposes only. I do not give medical advice over the internet, see your own physician in person for that.



  • [0] Shifts to and from Daylight Saving Time and Incidence of Myocardial Infarction. N Engl J Med 2008; 359:1966-1968
  • [1] Acute Myocardial Infarction. N Engl J Med 2017; 376:2053-2064.
  • [2] The Human Circadian Clock’s Seasonal Adjustment Is Disrupted by Daylight Saving Time. Current Biology Volume 17, Issue 22, 20 November 2007, Pages 1996-2000.
  • [3] The human circadian clock entrains to sun time. Current Biology Volume 17, Issue 2, 23 January 2007, Pages R44-R45.
  • [4] Effect of sleep loss on C-Reactive protein, an inflammatory marker of cardiovascular risk. Journal of the American College of Cardiology Volume 43, Issue 4, 18 February 2004, Pages 678-683
  • [5] The Impact of Daylight Savings Time On The Timing And Incidence Of Patients Undergoing Percutaneous Coronary Intervention For Acute Myocardial Infarction. Journal of the American College of Cardiology. Volume 63, Issue 12 Supplement, April 2014
  • [6] Daylight Saving Time and Myocardial Infarction: Should We Be Worried? A Review of the Evidence. Eur Rev Med Pharmacol Sci, 22 (3), 750-755. Feb 2018
  • [7] Daylight savings time and myocardial infarction. BMJ Open Heart DOI 10.1136/openhrt-2013-000019
  • [8] Impact of sleep debt on metabolic and endocrine function. The Lancet Volume 354, Issue 9188, P1435-1439, October 23, 1999
  • [9] Circadian influences on myocardial infarction. Circadian Influences On Myocardial Infarction. Front Physiol. 2014; 5:422


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