Flushing is an involuntary, temporary reddening of the skin, usually of the face. Facial flushing may be accompanied by flushing of the neck or chest. In general, flushing results from dilation of the blood vessels beneath the skin surface.
Not all causes of breathlessness are due to problems with the lungs or airways. Reason #2: Breathlessness due to heart problems Angina, heart attack, heart failure, congenital heart defects, arrhythmia, all of these show symptoms of breathlessness. Incidentally, heart failure that is caused by the damage to the heart muscle is preceded by the other heart conditions such as heart attack, angina, etc.
Shortness of breath has many causes affecting either the breathing passages and lungs or the heart or blood vessels. An average 150-pound (70 kilogram) adult will breath at an average rate of 14 breaths per minute at rest. Excessively rapid breathing is referred to as hyperventilation. Numerous diseases of muscles and the nervous system can lead to shortness of breath by weakening the body's capacity for opening the lungs up for respiration. 2  Examples of muscle diseases include muscular dystrophy. 3  Nervous system diseases, such as paralysis, can lead to shortness of breath.