Fred Fefer MD

Recommended Articles

• What Causes Sudden Cardiac Arrest?

  Sudden cardiac arrest is one of the most common causes of death due to cardiac diseases. Sudden cardiac arrest refers to the sudden loss of heart function, resulting in death. It is different from a heart attack in that the latter is caused by a blockage in one of the vessels that supplies the walls...

• Atrial Fibrillation: What is a Catheter Ablation?

  Atrial fibrillation - also known as AF or a-fib - is a medical condition that affects the rhythm of the heart. Problems that affect the rhythm of the heart cause a condition known as arrhythmia. This condition often causes irregular blood flow. It is quite common, with more than 200,000 cases in the...

• What is Lupus?

  Lupus is a chronic inflammatory autoimmune disease that attacks the body’s healthy cells, tissues, and organs. The inflammation can damage the skin, joints, kidneys, lungs, heart, brain, and blood vessels.Normally, the body’s immune system produces antibodies. These antibodies protect and fight...

• How to Control Your Sodium Levels

  A recent CDC report shows that many of the foods used in restaurants and foods sold in grocery stores have the potential to increase sodium levels in the body when consumed. Breads and rolls were noted to be the most important culprits among the variety of foods that do this. Some foods that...

• Can Low Blood Pressure be Serious?

  Blood pressure lower than 90/60 mm of Hg is referred to as low blood pressure, or hypotension. The first number is the measure of pressure in the arteries when the heart beats and fills blood in them. The second number is the pressure in the arteries when the heart is at rest between two beats. In...

• Heart Palpitations: What Is It and What Are the Causes?

  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...