Blood Gas #1

Posted Leave a commentPosted in ed, education

Describe and interpret this arterial blood gas: History: 43-year-old man found unresponsive after absconding from the psychiatric ward.  He is intubated and ventilated. pH 7.03 Na 131 mmol/L pCO2 44.3 mmHg K 5.8 mmol/L pO2 89.4 mmHg (FiO2 0.8) Cl 108 mmol/L HCO3 11 mmol/L Glucose 21.3 mmol/L Lactate 12.6 mmol/L Urea 11.5 mmol/L Osmolality 372 mOsm/L Albumin 18 g/L […]

Blood Gas Mnemonics

Posted Leave a commentPosted in ed, education

High Anion Gap Metabolic Acidosis C Carbon Monoxide, Cyanide A Alcohol, Alcoholic Ketoacidosis T Toluene M Metformin, Methanol U Uraemia D Diabetic Ketoacidosis P Paraldehyde, Phenformin, Paracetamol, Propylene glycol I Iron, Isoniazid L Lactic acidosis (any cause) E Ethylene glycol S Salicylates Causes of Lactic Acidosis Type A: Imbalanced oxygen supply and demand Type B: Metabolic derangements Carbon monoxide Shock […]