Quick Weight Gain
If you find that you’ve gained weight quickly without any change in your diet, it may be a symptom of heart disease. When you gain more than five pounds in a month on your regular diet, it’s a cause for concern. Weight gain is a symptom of edema, which is most often signifies heart disease. So, if you step on the scale and see the number increase for no reason, it’s time to make a doctor’s appointment.