John W. Thornton, M.D., FACC

Recommended Articles

• 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...

• Treatment for Atrial Fibrillation

  Atrial fibrillation (also called AFib) is a heart arrhythmia infection. It causes sporadic electrical signals within the atria, affecting heart rate. This is referred to as rapid ventricular rate (RVR). Atrial fibrillation derives from unusual electrical impulses within the heart.Factors to consider...

• What Is a Bubble Study?

  What is a bubble study?A bubble study is a type of echocardiogram, which is the ultrasound of the heart. An echocardiogram is done to visualize the heart and its surrounding areas. Better images of the heart can be produced when a “contrast” is used during the echocardiogram. In a bubble study,...

• These Conditions Can Cause Dyspnea

  OverviewDyspnea is the clinical term for shortness of breath or breathlessness experienced by both healthy individuals and patients with respiratory or cardiovascular diseases. It can also be a temporary condition that quickly resolves on its own or a symptom of a more serious health condition. A...

• Using Losartan in Treating Hypertension

  Unfortunately, there is an increasing prevalence of hypertension, which is the term used to indicate high blood pressure with a reading of 140/90 mm Hg or higher. It is being blamed on living a modern lifestyle, the frequency of alcohol and tobacco intake, certain physical activities, and processed...