Arterial Blood Gases. Test Overview. An arterial blood gas (ABG) test measures the acidity (pH) and the levels of oxygen and carbon dioxide in the blood from an artery. This test is used to check how well your lungs are able to move oxygen into the blood and remove carbon dioxide from the blood.
Stethoscope it s the medical definition and terms used by doctors it s used to listen to your heart beat/ Rythem in heart beat and checking all is ok if you have a steady heart beat with them or if there is any signs of all of an irregular heartbeat...
Echocardiography (EK-o-kar-de-OG-ra-fee), or ECHO, is a painless test that uses sound waves to create pictures of your heart. The test gives your doctor information about the size and shape of your heart and how well your heart's chambers and valves are working.