Dr. Sam Nachar, MD, PhD

Recommended Articles

• Is Dyspnea (Shortness of Breath) a Warning Sign of a Serious Condition?

  Breathing is a critical function of life, and anything that obstructs this function can be extremely difficult to deal with. There are several conditions that can cause alterations in our breathing pattern.Dyspnea, or shortness of breath, is one such condition. Shortness of breath has many causes...

• Triage Nurses Handle Non-Urgent 911 Calls in Washington, DC

  Everyone knows that every second matters in emergency situations. 911 call centers are usually loaded with calls, but unfortunately, 1 in 4 of these calls is not a real emergency. Almost 30% of the calls from urban areas requests for a medical ambulance, even for non-emergency situations. This kind...

• What are Bilateral Cataracts?

  The lenses of healthy eyes are usually clear. Cataracts occur when a person's lenses become cloudy and opaque. Cataracts can affect both eyes at the same time, called bilateral cataracts. Bilateral cataracts are very common, but cataracts must occur on their own and cannot spread from one eye to the...

• What Is Pneumocystis Carinii Pneumonia?

  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...

• What are Fibroids?

  What are Fibroids?Fibroids are muscular tumors that grow in a woman's uterine walls. Fibroids are also known as leiomyoma (leye-oh-meye-OH-muh), or myoma. In most cases, these muscular tumors are benign. Fibroids can grow as a single tumor, or develop into multiple tumors in the uterus. They can...

• The History of Muscular Dystrophy

  What is muscular dystrophy?Muscular dystrophy is an inherited disorder, which is often characterized by a progressive type of muscular degeneration and weakness. There are several types of muscular dystrophy, wherein each type eventually leads to an increased disability, strength loss, and potential...