184 definitions of MSA. Meaning of MSA. What does MSA stand for? MSA abbreviation. Define MSA at AcronymFinder.com
The symptoms of wheezing include a musical or whistling sound and labored breathing, particularly when exhaling; sometimes they're accompanied by a feeling of tightening in the chest. You can hear wheezing more loudly if you plug your ears and exhale rapidly, or by using a stethoscope held at the neck or over the lungs.
Wheezing is one form of breathing difficulty in which you make a high-pitched sound when you breathe out. Shortness of breath has many different causes. For example, heart disease can cause breathlessness if your heart is unable to pump enough blood to supply oxygen to your body.