Sodium Blood Test: Low, Normal, and High Levels
A sodium (Na+) blood test is a standard medical test that checks sodium concentration in your blood. It’s often performed as part of a panel of blood tests. Various medical issues can affect your sodium blood levels. Stefania Pelfini, La Waziya Photography / Getty Images However, this test typicallydoes notprovide good information about whether you should reduce the amount ofsodium in your diet. When levels are off, however, body systems such as your brain and heart can be affected....