Blood Gas # 29

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History: A 39 year old highly functioning professional female is brought to ED complaining of abdominal pain and nausea.  She has a VBG performed. pH 7.29 Na 138 mmol/L pCO2 28 K 1.4 mmol/L pO2 51 Cl 111 mmol/L HCO3 14 Creatinine 126 mmol/L Glucose 5.7 mmol/L Lactate 1.6 mmol/L Her baseline creatinine was 62 three months ago.

Blood Gas # 28

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History: A 42yr female was brought to ED as a priority 1 trauma after she was found on the floor at home.  History of alcohol abuse drinking at least 2 bottles of wine per day.  GCS12 (E3 V4 M5), confused.  Bilateral raccoon eyes. pH 7.59 Na 105 mmol/L pCO2 45 K 2.6 mmol/L pO2 50 Cl 49 mmol/L HCO3 43 […]

Blood Gas # 27

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History: An obese 57yr male presented with a deliberate self-harm attempt of 5 days’ worth of his blister pack medications at 10pm.= Total doses ingested shown below: Perindopril 20mg Metformin 15g Allopurinol 1500mg Sodium Valproate 10g Zopiclone 37.5mg Thyroxine 250mcg Aspirin 500mg Lorazepam 5mg Gliclazide 300mg Rosuvastatin 200mg Quetipaine 250mg Sitagliptin 500mg Ferrous sulphate (elemental iron 105mg per tab) 525mg […]

Blood Gas #25

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History: A 45yr alcoholic female with epilepsy, previous traumatic head injury and T2DM presented to ED following a syncopal episode and a fall onto her face. PMH: depression, PTSD and agoraphobia.  On sertraline and carbamazepine. pH 7.55 Na 130 mmol/L pCO2 58 mmHg K 2.5 mmol/L pO2 35 mmHg Cl 58 mmol/L HCO3 51 mmol/L Glucose 6.1 mmol/L Lactate 1.0 […]

Blood Gas #24

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Describe and interpret this venous blood gas: History: A 56-year-old female found drowsy in bed in the evening after going to bed the night before.  Had last been seen the night before going to bed after an argument.  Took 30 x panadeine forte, 30 x combination antihypertensive (amlodipine 10mg / olmesartan 40mg / hydrochlorothiazide 30mg).  Brought in to rural hospital GCS 14. […]

Blood Gas #23

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Describe and interpret this arterial blood gas: History: A 92-year-old woman with a history of ischaemic heart disease presents with respiratory distress and an altered conscious state. She is currently on BPAP. pH 7.04 Na 139 mmol/L pCO2 92 mmHg K 5.7 mmol/L pO2 128 mmHg (FiO2 0.6) Cl 109 mmol/L HCO3 24 mmol/L Glucose 13.8 mmol/L Creatinine 243 μmol/L Lactate 1.4 mmol/L Hb […]

Blood gas #22

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Describe and interpret this venous blood gas: History: A 73-year-old woman with a background of COPD presents to the emergency department with a 2-day history of influenza-like symptoms, dyspnoea and drowsiness. She reports anorexia and reduced oral intake, but no other gastrointestinal symptoms. pH 7.35 Na 114 mmol/L pCO2 74 mmHg K 3.0 mmol/L pO2 56 mmHg Cl 69 mmol/L HCO3 40 mmol/L Ca 0.98 […]