![]() The results of the ABG are shown below (the patient was not on oxygen when this was taken). You perform an ABG on the advice of your registrar. You ask the nurse to check the patient’s observations and she notes an increased respiratory rate, low blood pressure and tachycardia. You gain IV access, send off a routine panel of bloods and commence some fluids. At present, you are unable to gain any further details, but the patient looks very unwell from the end of the bed. When you begin to talk with the patient you note that she appears disorientated and looks clinically dehydrated. ![]() Which of the following is not true about this patient's condition?Ī) Anaerobic respiration produces uric acid as a byproduct, which has resulted in the addition of acid to the patient’s serum causing uremic acidosis.ī) Reduced end-organ perfusion causes tissue hypoxia resulting in cells resorting to anaerobic respiration to generate energy.ĭ) This patient has reduced end-organ perfusion as evidenced by reduced urine output.Ī 22-year-old female is brought into A&E by ambulance with a 5-day history of vomiting and lethargy. Which of the following statements below is not consistent with the ABG findings?Ī) Base excess is low, supporting the diagnosis of metabolic acidosis.ī) There is an evidence of respiratory compensation for the metabolic acidosis.Ĭ) Hypoxia is not a likely cause of the patient's confusion.ĭ) The respiratory system does not appear to be contributing to the acidosis. The patient was not on oxygen at the time of the ABG. The medical registrar commences antibiotics, aggressive fluid resuscitation and asks you to perform an arterial blood gas, with the results shown below. ![]() You look through the information available and note that the district nurse changed this patient’s catheter 24 hours ago. The care home that the patient came from has provided some basic documentation. ![]() They appear confused and are unable to provide any meaningful history. ![]() An 89-year-old patient presents with fever, rigors, hypotension and reduced urine output. ![]()
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