3- Heart attack
A heart attack is when you experience coronary thrombosis which may lead to heart’s muscle dying and often in death because of not being supplied with blood. When your blood becomes clot it prevents the heart from being supplied with it and thus causes the heart attack.
Common symptoms are a continuous or repetitive pain in the center of your chest. Also, different pains in upper body’s parts like arms, stomach, back etc. Furthermore, symptoms like shortened breath and cold sweating may also indicate a possible heart attack.