Try to interpret each abg and formulate a differential diagnosis before looking at the answer. He has been diagnosed with hashimoto s thyroiditis by his local doctor 4 months previously.
Below are a few examples to demonstrate how important context is when interpreting an abg.
Abg interpretation examples. Abg examples abg exam questions for medical students osces and mrcp paces below are some brief clinical scenarios with abg results. Abgs are drawn for a variety of reasons. They should always be interpreted as part of a wider assessment of a patient s respiratory function and in line with your organisation s policies.
How to draw an abg. You are called to see a 54 year old lady on the ward. A patient is brought back to the floor from the operating room on a patient controlled analgesia pca pump with hydromorphone.
This is abnormal as you would expect the patient to have a pao 2 well above the normal range with this level of oxygen therapy. He has not been able to keep any food down. The patient hits his pca button several times in the first hour.
These are his venous blood gas results. Abgs should be thought of as a snapshot of how the body is interacting with its environment at a particular time. A 21 year old man is brought in by his father with a one week history of vomiting.
Asthma chronic obstructive pulmonary disease copd hemorrhage. Show me nursing programs. Arterial blood gas analysis.
Today his blood pressure is 90 48 and pulse rate 104. These may include concern for. To check if lung condition treatments are working.
A normal pao 2 in a patient on high flow oxygen. This abg is an example of a partially compensated respiratory acidosis. Shortly thereafter the nurse walks in the room and finds him somnolent and difficult to arouse.