A 100-gram serving of raw spinach contains 2.71 mg of iron, whereas cooked spinach contains 3.57 mg. Keep in mind that iron absorption is influenced by how much iron you already have in your body and by other nutrients that you eat with your meals.
Cardiac catheterization is an invasive test performed by a cardiologist, where a catheter is threaded into the coronary arteries (those arteries that supply the heart muscle with blood) through the femoral artery in the groin, the radial artery in the wrist, or the brachial artery in the elbow.
Sometimes, blood tests can help them see how well an organ (such as the liver or kidneys) is working. What Is a Complete Blood Count? A complete blood count (CBC) test is a blood test that helps doctors check the level of different types of cells in the blood. A CBC measures: red blood cells, which deliver oxygen to the different parts of the body