Pulse Oximetry A pulse oximeter is a device placed on the fingertip or earlobe that indicates the amount of oxygen in the blood. Normally, nearly all of your red blood cells are full of oxygen. There is also a fee site at m. If you have a. Second Life account, please visit my teammates and me at the. Medical Examiner's office. With one of four large boxes of "Pathguy" replies. Arterial Blood Gas. Arterial Blood Gas (ABG) is a direct arterial puncture to measure arterial pH, oxygen saturation (PaO2 and carbon dioxide content (PCO2). Arterial blood has been oxygenated by the lungs and thus indicates how much oxygen is available to the body. In the pictures below, scoliosis of the spine causes right shoulder area to appear somewhat higher than the left. Curvature is more pronounced on x-ray. Review of Lung Anatomy: Understanding the pulmonary exam is greatly enhanced by recognizing the relationships between surface structures, the skeleton. This tends to make the point of inflection (i.e. change from resonant to dull) more pronounced. Practice percussion! Try finding your own stomach bubble, which should be around the left costal margin. Note that due to the location of the heart, tapping over your left. Anterior View Posterior View Right Lateral View. Left Lateral View Palpation: Palpation plays a relatively minor role in the examination of the normal chest as the structure of interest (the lung) is covered by the ribs and therefore not palpable. As noted earlier, determination this reversibility is important in development of a preanesthetic plan for patients with obstructive disease because the prophylactic use of bronchodilators may obviate interoperative pulmonary adverse events. 12 The indication for use of spirometry includes many different endpoints in addition to. Thanks also to the real Patch Adams M.D., who wrote me encouragement when we were both beginning our unusual medical careers. If you're a private individual who's enjoyed this site, and want to say, "Thank you, Ed!