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.
1 First Cause of Shortness of Breath: Body Demands More Air. 2  Second Cause of Shortness of Breath: Too Little Airflow. 3  Third Cause of Shortness of Breath: Trouble Transporting Oxygen in the Bloodstream.  Final Cause of Shortness of Breath: Lack of Oxygen in the Air. Sometimes, there's just nothing you can do to make things better. At high altitudes, the air is too thin to contain an adequate supply of oxygen for the body's needs.