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...
Throughout a woman's pregnancy, her doctor will typically begin a prenatal exam with listening to the baby's heartbeat. Although a Doppler instrument is most frequently used, a fetoscope, a type of stethoscope, can be used after 20 weeks to hear a baby's heartbeat. A baby's heartbeat is checked often to monitor how the baby is developing and coping with the stress of the pregnancy and labor.