3411 results found
Health topics
… Overview The coronary arteries deliver blood to the heart muscle. The blood provides a continuous supply of oxygen and nutrients … and demand The coronary arteries regulate the supply of blood to your heart muscle depending on how much oxygen your …
Medical tests
… Test Overview Partial thromboplastin time (PTT) is a blood test that measures the time it takes your blood to clot. A PTT test can be used to check for bleeding problems. Blood clotting factors are needed for blood to clot …
Health topics
… means that the right side of the heart is not pumping blood to the lungs as well as normal. Most people develop … Right-sided heart failure can happen if there is high blood pressure in the arteries of the lungs. This pressure makes the heart work harder to pump blood through the lungs. Over time, the right ventricle may …
Health topics
… regulate or control the levels of glucose (sugar) in your blood. This results in too much or too little sugar in your … Sugar) in People Without Diabetes Low Blood Sugar Level Record Symptoms of Low Blood Sugar What is Hyperglycemia? Some … High Blood Sugar Emergencies High Blood Sugar Level Record Symptoms of High Blood Sugar How is Type 2 Diabetes …
Medical tests
… Test Overview A chemistry screen is a blood test that measures the levels of several substances in the blood (such as electrolytes ). A chemistry screen tells your … Some chemistry screens look at more substances in the blood than others do. The most complete form of a chemistry …
Health topics
… failure means that your heart muscle doesn't pump as much blood as your body needs. Because your heart can't pump … pump as well as it should. So your body doesn't get enough blood and oxygen. When this occurs, the body believes that … and nervous systems try to make up for this. They increase blood pressure, hold on to salt (sodium) and water in the …
Medical tests
… A C-peptide test measures the level of this peptide in the blood. It is generally found in amounts equal to insulin . … body use and control the amount of sugar (glucose) in the blood. Insulin allows glucose to enter body cells where it is used for energy. The level of C-peptide in the blood can show how much insulin is being made by the …
Health topics
… graft (CABG) surgery, your surgeon will use a healthy blood vessel from another part of your body to create an … of your coronary arteries. This bypass surgery allows more blood to reach your heart muscle. Your medical team will monitor your vital signs, such as blood pressure, heart rhythm, and blood oxygen levels. …
Health topics
… High-output heart failure happens when the body's need for blood is unusually high, so heart failure symptoms happen … heart cannot keep up with an unusually high demand for blood to one or more organs in the body. The heart may be working well otherwise, but it cannot pump out enough blood to keep up with this extra need. What causes it? There …
Medical tests
… Test Overview A d-dimer test is a blood test that measures a substance that is released when a blood clot breaks up. Doctors order the d-dimer test, along … with other lab tests and imaging scans, to help check for blood-clotting problems. A d-dimer test can also be used to …
