The Resus Room

Blood gases are really commonly used in ED, Critical Care, Respiratory Medicine and Prehospitally. In fact, you’d do well to walk 10 meters in an ED without being given one to sign off! But it’s for good reason, because they give you additional information about what’s going on from a respiratory and metabolic perspective in the patient. And it’s probably worth mentioning at this point, this episode is going to be pretty ‘science-heavy’, there should be something in here for everyone; from the clinician that's been looking at these things for the last 30 years, to those that haven't started interpreting gases. So arterial blood gases can tell you about the efficacy of the patients ventilation in terms of their partial pressures of oxygen and carbon dioxide levels and also from a metabolic perspective about other disorders of their acid-base balance.  In the episode we'll be covering the following; -Overview of blood gases -Respiratory & metabolic sides of the gas -Acidaemia -Alkalaemia -Bicarbonate or bas