William R Condos M.D.

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...

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...

Blood pressure above 140/90 mm Hg is considered hypertension, and is one of the most prevalent and preventable conditions. High blood pressure is one of the causes of about 15% of deaths in the country, and also increases the risk of heart attack and stroke. Not to mention the risks of aneurysms,...

Arginine is an essential amino acid that has been in the spot light among hundreds of other nutrients because of its benefits to the heart. For many people diagnosed with heart disease, the heart-healthy benefits of this nutrient have come to the forefront. Arginine is a semi-essential amino acid...

What is Ehlers-Danlos syndrome (EDS)?Ehlers-Danlos syndrome (EDS) is a group of genetic disorders that affect the body’s connective tissues, which are proteins that support the blood vessels, skin, bones, and other organs in the body. Connective tissues also provide elasticity and strength to the...

Atrial fibrillation is a condition of the heart which causes irregularity of the heartbeat. It causes quivering inside the heart chambers, especially the atria. Due to this rapid and irregular trembling, patients also have an increased risk of stroke.People that have atrial fibrillation usually have...