Donald J Voelker MD

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...

Triglycerides are produced as a product of breakdown of fats. It is also produced from carbohydrates to be stored as energy. Triglycerides are generally stored in fat cells and released when needed.The healthy range or normal level of triglycerides in the body is less than 150 milligrams per...

Once a heart failure is diagnosed, it is evaluated. To commence the proper evaluation of heart failure, it is essential to share a complete and accurate history of what you are experiencing and what you have experienced so far with your doctor. Providing a complete and accurate history of your...

Angina pectoris is a symptom of a coronary artery disease which causes chest pain due to less blood flow to the heart muscle. Angina pectoris is also known as angina, and this problem can be a recurring issue or a sudden acute issue. Angina pectoris can be defined as pressure, stiffness, tightness...

Tachycardia refers to rapid heartbeat, with more than 100 beats per minute. When this fast rhythm starts from the lower chambers of the heart (the ventricles) this condition is referred to as ventricular tachycardia. This fast beating heart rate may lead to a condition called ventricular...

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...