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...
Question: How early can a doctor hear the babyâs heartbeat? Answer: Before the age of radar and sonar as applied medically, it was the olâ stethoscope that was used most often to listen to the baby. Unfortunately this meant an audience of one â the one who sat between the earpieces of the stethoscope.