Dr. John E Fitzgerald MD

Recommended Articles

• What Is Cyanosis and Why Does It Occur?

  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...

• Causes of Lung Nodules

  What are lung nodules?Lung nodules are spots present on the lung. These spots are usually around 1.5 inches or three centimeters in diameter. Lung nodules seen on imaging tests are often called as coin lesions. If a lung X-ray shows spots that are more than three centimeters, it is regarded as a...

• Procedure Found to Help Children with Cystic Fibrosis

  Researchers have recently found that the simple procedure of inhaling hypertonic saline solution, or HSS, can increase sputum production and improve pathogen identification in children. This breakthrough will act as a benefit to many suffering from cystic fibrosis who are unable to spontaneously...

• When Could Orthopnea Mean Something More Serious?

  IntroductionOrthopnea is the medical term used when referring to the occurrence of dyspnea (shortness of breath) when you are lying flat. This symptom is often a sign of heart failure. However, orthopnea can also be due to other health conditions. Dyspnea (shortness of breath) is not the same with...

• Is There a Link Between Asthma and Bronchitis?

  Bronchitis and Asthma are both inflammatory conditions that affect lungs where a person’s airways swell up, causing them breathing problems.Asthma, also known as bronchial asthma, is characterized as a chronic condition in which a person’s airways become inflamed, narrow and swollen, and produce...

• How Is Sarcoidosis Diagnosed?

  What is sarcoidosis?Sarcoidosis is an inflammatory disease, which is characterized by the growth of granulomas or tiny collections of inflammatory cells in various parts of the body. When the immune system is slowed down and when these numerous clumps form, they tend to interfere with the organ’s...