Dr. John Michael Brodnan M.D.

What is a barking cough?The medical term for a barking cough is croup. It is a medical condition that tends to irritate a child's upper airways. It can also be used to describe the inflammation of the larynx and trachea in children. There are a variety of reasons or inflammatory conditions, which...

IntroductionCyanosis is the medical term for a bluish discoloration of the skin, nails, toes, and mucous membranes. It is generally caused by low levels of oxygen in the blood. Normally, blood appears bright red when it is fully oxygenated. However, when blood does not have enough oxygen, it turns...

When Anne and Mike Preston began their plans to start a family, they went to a doctor to run tests just as a precaution. Anne’s test results came back that she was a carrier of cystic fibrosis (CF), but she was told not to worry because her husband would have to be a carrier as well. The chances...

Life with cystic fibrosis (CF) can be draining, time-consuming, and frankly – quite expensive. A majority of people living with CF, as well as their families, are faced with complex issues, such as insurance hassles, when it comes to accessing the specialized care that they require. Although CF...

An Overview of Viral Pneumonia: What is it? Pneumonia is the inflammation of your lung tissue. It can be caused by bacteria, viruses, or fungi. Viral pneumonia is a result of untreated flu. When left untreated, the viruses somehow reach your lungs causing inflammation and swelling of the airways....

Cystic FibrosisCystic fibrosis is a disorder that is inherited and known to damage the lungs, the digestive system, and other vital organs of the body. Cystic fibrosis causes an impact on the cells that produce mucus, digestive juices, and sweat. These secreted fluids are usually thin and slippery,...