3652 results found
Health topics
… unawareness means not being able to recognize low blood sugar until the symptoms are serious. Most people have symptoms if their blood sugar drops below 4.0 mmol/L. But if you have … may become unconscious before anyone realizes you have low blood sugar. You may have hypoglycemic unawareness if you: …
Health topics
… kidney damage. What causes it? The kidneys have many tiny blood vessels that filter waste from your blood. High blood sugar from diabetes can destroy these blood vessels. …
Health topics
… Overview The coronary arteries deliver blood to the heart muscle. The blood provides a continuous supply of oxygen and nutrients … Healthwise Staff Medical Review: Rakesh K. Pai MD, FACC - Cardiology, Electrophysiology Martin J. Gabica MD - Family …
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 … may cause the right ventricle to dilate and weaken. Pericardial constriction. The pericardium is a membrane sac …
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 … goal in compensating for heart failure is to maintain your cardiac output. Cardiac output is the amount of blood your …
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 … through the sac-like lining that protects the heart (pericardium) to access the heart itself. Your coronary arteries …
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 … Increased number of blood vessels requires increased cardiac output. Heart Failure …
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 …
