Dr. John F Fieselmann MD

Pneumocystis carinii pneumonia (PCP) is a very serious disease, which is characterized by a fluid buildup and inflammation in the lungs. This lung infection is caused by the fungus Pneumocystis jiroveci. It is an opportunistic disease that usually infects immunosuppressed individuals, especially...

OverviewPulmonology is a subspecialty of internal medicine that focuses on respiratory health. The specialist called in this area of medicine is called a pulmonologist. Pulmonologists are specialists who diagnose and treat different conditions that are associated with the respiratory system of...

Croup is a very common respiratory infection in children, but it can also occur in adults. It can occur at any point and is quite infectious since the virus is often being dispersed through the air, which causes the infection to spread to others. Although rare, croup can also be caused by bacterial...

Researchers have been trying to figure out why Cystic Fibrosis (CF) patients are unable to fight off bacterial infections.Recently, studying pigs have helped scientists understand CF better.Why pigs?Initially, mice were used to evaluate CF, but they did not spontaneously develop CF like humans do....

Emphysema is a form of chronic lung disease and one of the main types of chronic obstructive pulmonary disease (COPD). This disease is regarded as "obstructive" because people who are suffering from emphysema exhale air as if there is an obstruction. There are various factors that can cause...

Atypical Pneumonia: What is it?Atypical pneumonia is an infection of the lungs caused by organisms other than the ones that usually cause pneumonia. The organisms responsible for atypical pneumonia include Legionella pneumophila, Mycoplasma pneumoniae, and Chlamydia Pneumoniae. Atypical pneumonia is...