What Causes Recurring Breathlessness On Exertion?

Shortness of breath on exertion is a term used to describe difficulty breathing when engaged in a simple activity like walking up stairs or going to the mailbox. ... breathlessness on exertion. exertional dyspnea. dyspnea on effort. Causes. Most cases of shortness of breath are due to heart or lung conditions. Your heart and lungs are involved in transporting oxygen to your tissues and removing carbon dioxide, and problems with either of these processes affect your breathing. ... Pulmonary embolism (blood clot in an artery in the lung). Causes of shortness of breath include asthma, bronchitis, pneumonia, pneumothorax, anemia, lung cancer, inhalation injury, pulmonary embolism, anxiety, COPD, high altitude with lower oxygen levels, congestive heart failure, arrhythmia, allergic reaction, anaphylaxis, subglottic stenosis, interstitial lung disease, ... There are a number of lung conditions that can cause breathing difficulty. All of these require immediate medical attention. Asthma is an inflammation and narrowing of the airways that can cause shortness of breath, wheezing, chest tightness, and coughing. Pneumonia is lung inflammation caused by infection. A cardiac stress test (or cardiac diagnostic test) is a cardiological test that measures a heart s ability to respond to external stress in a controlled clinical environment. The stress response is induced by exercise or by drug stimulation. SO YOU NEED STRESS TEST