James Clyde Sheppard M.D.

Recommended Articles

• 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,...

• 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...

• Ten Potential “Heartbreakers”

  Although heredity and age can contribute to the demise of a healthy heart, there are still some precautions you can take to prevent heart disease. Some precautions include:1. SmokingSmoking has a profound effect on an individual's blood pressure, and it can also cause blood clots. A smoker may also...

• 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...

• What Causes Deep Vein Thrombosis?

  Deep vein thrombosis, or DVT, is characterized by the formation of clots, or thrombus, in one or more of deep veins in the body. Clots may develop in different parts of the body, like arms or chest, but are more commonly seen in the legs. DVT is a serious condition as the blood clot may move to...

• Understanding the Connection Between Sleep Apnea and Heart Conditions

  Researchers have found that obstructive sleep apnea (OSA) is linked to cardiometabolic dysfunction. The study, seen in the Journal of Clinical Endocrinology and Metabolism, attempts to provide an explanation as to why sleep apnea patients often have problems associated with their heart.  Up until...