From a cardiovascular standpoint, it's common to see people short of breath if they're experiencing heart failure. It commonly exists in conjunction with diabetes, high blood pressure, or atrial fibrillation. Leaky or stenotic (too narrow) heart valves can similarly cause shortness of breath.

What is the most common cause of shortness of breath?

According to Dr. Steven Wahls, the most common causes of dyspnea are asthma, heart failure, chronic obstructive pulmonary disease (COPD), interstitial lung disease, pneumonia, and psychogenic problems that are usually linked to anxiety. If shortness of breath starts suddenly, it is called an acute case of dyspnea.

What causes you to be short winded?

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, ...