James P. Ostrenga M.D.

What is Raynaud’s disease?Raynaud’s disease, also known as Raynaud’s syndrome or Raynaud’s phenomenon, is a rare blood vessel disorder described by a French physician named Maurice Raynaud in 1862. In this condition, the blood vessels that carry blood from the heart to other parts of the...

Blood flows continuously through blood vessels and supplies nutrients and oxygen to different parts of the body. At the site of an injury, a blood clot prevents excess bleeding. Under normal conditions, blood clots are lifesaving. When the clot is formed as a part of normal repair process in the...

Congestive heart failure is a common condition affecting the muscles of the heart and peripheries of the body. It leads to inefficient pumping action from the heart, which in turn results in a lesser amount of blood reaching the various parts of the body. Being highly prevalent in people aged over...

Spanish researchers have found that foods fried in healthier oils, like olive or sunflower oil, may not cause heart disease and premature death. The study was conducted on 40,000 adults who were followed up for 11 years to track the food intake and risk of heart disease. Although the study brings...

Hypertension or high blood pressure is a condition that causes an immense force of blood on the walls of the arteries. This pressure could sometimes be so high that it could eventually lead to certain health conditions. High blood pressure is one of the leading causes of stroke and other serious...

What does an irregular heartbeat mean?An irregular heartbeat is also medically termed as arrhythmia or dysrhythmia. An irregular heartbeat happens when the heart’s electrical signals that coordinate with your heartbeat are not properly functioning. When you have an arrhythmia, your heart may:...