John J Lopez MD

Recommended Articles

• What is Cardiac Ablation?

  Cardiac ablation is a procedure used for atrial fibrillation (a-fib) treatment, which is an irregular beating of the heart. Doctors may recommend the procedure when other methods of treatment such as drugs and heartbeat reset aren’t successful.If atrial fibrillation, or an irregular heart rate,...

• The Difference Between Arteries and Veins

  Through closed vessels the closed circulatory system transports blood. This includes the arteries, veins, and the capillaries. Blood vessels that start from the heart are arteries and vessels that carry blood back to the heart are veins.ArteriesArteries are located deep in the body and have thick...

• Atypical Forms of Myocardial Infarction

  Atypical myocardial infarction often occurs in older patients with a pronounced cardiosclerosis, circulatory failure, and often with people who have a history of heart attacks.The symptoms may confuse you, or make you think that they are not associated with the heart.Usually, atypical manifestations...

• The Diabetic's Connection to Heart Disease

  Many already know that diabetes has a deep connection with heart disease, but a lot aren't sure about why or how. However, according to several studies, high blood glucose levels are a key contributor to this connection. High levels of blood glucose, or sugar, will often result in damage to the...

• What Is Tachypnea?

  Introduction Tachypnea is a medical term, which means rapid and shallow breathing. This condition is often confused with hyperventilation, which is another type of abnormal breathing that is characterized by rapid but deep breathing. Both conditions are caused by carbon dioxide buildup in the...

• Anxiety Increases the Risk of Heart Attack

  As men age, their risk of heart attack rises, especially if they are prone to anxiety. In a 12-year study, anxiety was found to increase the risk of heart attack by 30% to 40% in men who are anxious when compared to men who are calmer, irrespective of other personality and risk factors. In this...