Heart attack
Conditions & Treatments
Choose from these
common conditions

Browse treatment centers:
Drug Reviews
Browse our A to Z list
Feeling short of breath
If you feel short of breath, it could be because your pain is severe. It could be because you're anxious. It may also be a sign that your heart is not pumping properly.

Normally, the left side of your heart fills up with blood that is returning from your lungs. This blood is then pumped out to the rest of your body. If the left side of the heart is damaged, pressure builds up and fluid is forced out of your blood vessels and into your lungs. When this fluid is forced into your lungs, it makes it hard for you to breathe.



This information was last updated in Jul 25, 2008