Roger G Nissen M.D.

Lupus does not have a complete cure; however, the symptoms can be managed. With thorough treatment, life expectancy of the patient can be increased to the fullest. Early diagnosis and treatment of lupus is important for preventing permanent damage to one's organs.Your doctor may begin your treatment...

Our heart rate is automatically controlled by the autonomic nervous system (ANS) that has two divisions: sympathetic and parasympathetic. The part of the ANS that is responsible for raising a person’s heart rate through the sympathetic plexus is the sympathetic division. The parasympathetic...

What Is Right-Sided Congestive Heart Failure?Heart failure is called by other names, such as congestive heart failure (CHF), cardiac failure, left-sided heart failure, and right-sided heart failure.The heart is an organ that pumps blood to various parts of the body and is a little larger than...

Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

According to a new study, survivors of a heart attack who get angry easily and are stressed out will have increased chances of another heart attack. In this study, about 50% of the heart attack survivors who had very high scores for anger and stress on the psychological tests had a fatal or...

Enlarged heart or cardiomegaly is an indication of an underlying condition rather than a disease in itself. Enlargement makes the heart work harder than normal and weakens the heart muscles after a period of time. An enlarged heart has a number of causes including hypertension and coronary artery...