Cardiac asthma is a medical term used for wheezing caused by the heart failure. Cardiac asthma is a very serious medical condition. Although symptoms of cardiac asthma and bronchial asthma but cardiac asthma is much more serious since in involves a sign of impending heart failure. The differentiation is usually readily done on clinical measures. The person is diagnosed to have cardiac asthma when he/she is diagnosed of heart failure.

Generally the symptoms like wheezing and waking up from sleep after a couple of hours of sleep due to shortness of breath. This is because lying down too long causes fluid to build up in your lungs, causing problem in breathing. These episodes are encountered frequently. Mostly the patients with cardiac asthma develop coughing, wheezing, increased blood pressure, and sleeplessness.

If you feel like you have developed any symptom of cardiac asthma, you should immediately rush to the doctor. Diagnosis of cardiac asthma is mainly done by undergoing a chest X-ray. This is done because the chest X-ray will give an enlarged image of heart which is the major symptom of impending heart failure and also it shows the build-up  of fluid in the lungs. After getting the proper diagnosis your doctor will begin the treatment of cardiac asthma immediately.