The lungs exchange carbon dioxide in venous blood (which is exhaled) returning from the body and fill it with oxygen (from inhaled air) for delivery back to the body via the heart.


COVID-19 is the coronavirus that caused the 2020 pandemic.  Its most common symptoms are respiratory although the are a variety of other vascular symptoms that have been reported as well.

Lung Cancer

Lung cancer is a disease commonly related to smoking and is the leading cause of cancer death in both men and women worldwide. It is most common in patients 65 years or older and sometimes causes symptoms like shortness of breath, chest pain, or coughing up blood. CT scans help with finding this disease and can be used to sample the cancer and in the treatment process.