1 / 6Swelling: If the heart has to work hard to get blood to all parts of the body, then the veins swell. In this condition, they start swelling, which can be seen on the lips as well as on the lips.2 / 6Any type of chest discomfort can make you a heart attack victim. During this time you feel pressure in addition to burning sensation in the chest. You have to be cautious about this.3 / 6Dizziness: Blood circulation is also limited when the heart is weak. In such a situation, oxygen does not reach the brain in the right amount and you start feeling dizzy.4 / 6If you feel difficulty in breathing, then this may be a sign for you. If the heart does not work properly, the oxygen does not reach the required amount of oxygen in the lungs, which causes difficulty in breathing.5 / 6Prolonged cold or associated symptoms also indicate a heart attack. Do not ignore this sign at all and seek medical advice immediately.6 / 6Fatigue: Due to cholesterol, the heart arteries become narrower and the heart has to work harder. Due to this, you soon start feeling tired.