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...
Your doctor will use a medical instrument called a stethoscope to listen for normal breath sounds. A normal breath sound is similar to the sound of air. Your doctor can hear normal breath sounds by placing the stethoscope on your: chest; back; collarbone; rib cage; Your doctor can also use a stethoscope to hear abnormal breathing sounds, which may include: rhonchi, which are low-pitched sounds; crackles, which are high-pitched sounds