Dr. Max Roe O'donnell MD

What is chronic bronchitis?Chronic bronchitis is defined as a persistent cough with sputum production for at least three months in at least two consecutive years in the absence of any other identifiable causes.Chronic bronchitis is also commonly known as the smoker’s cough. This is due to the fact...

OrthopneaOrthopnea is a condition that causes breathing difficulties when an individual is lying down. It usually happens at night when the person is going to sleep. People with orthopnea usually experience tightness in the chest and being oxygen-deficit. The shortness of breath is due to lying down...

What is a persistent cough?It can be annoying to have a cough that lasts for more than a couple of weeks. A cough is considered chronic or persistent if it does not go away after four weeks in children and eight weeks in adults. However, most persistent coughs are due to colds, flu, infection, or...

24 year old Brad Dell is a young man who is deaf and living with cystic fibrosis. In January of 2017, he received a double lung transplant from the University of California, San Francisco. When Dell is not testing out his new lungs with active physical activity or reading comic books, he is writing...

What is pneumonia?Pneumonia is an acute lung infection that causes inflammation of the air sacs in either one or both lungs. The air sacs get filled with fluid or pus, making it difficult for the affected person to properly breathe. Individuals who have contracted the infection usually cough and...

What is pleurisy?Pleurisy is the inflammation of the thin pleural membranes that line the lungs.What happens in pleurisy?A thin membrane called the pleura lines your lungs. The pleura are double-layered membranes that line your lungs as well as the inner aspect of the chest wall. Between these...