Tehran University of Medical Sciences Case Reports in Clinical Practice 2538-2683 5 S1 2021 03 08 3 8 Mohammad Mostafa Ansari Ramandi Research Center of Cardiovascular, Birjand University of Medical Sciences, Birjand, Iran.AND Heart Valve Disease Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran Hossein Yarmohammadi Medical Students Research Commitee, Shahed University, Tehran, Iran. Niloufar Samiei Heart Valve Disease Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran. 2020 06 03 2020 07 03 Although people with less critical symptoms should not visit hospitals in order to reduce exposure during a pandemic, it is of utmost importance that those experiencing risky symptoms visit in early stages to prevent delayed consequences. In this article, we reported three ST-segment Elevation Myocardial Infarction (STEMI) patients who would have benefited from visiting the hospital earlier while they were experiencing low threshold angina. https://crcp.tums.ac.ir/index.php/crcp/article/view/360 https://crcp.tums.ac.ir/index.php/crcp/article/download/360/381