40 year old female presents to ED complaining of anxiety and feeling panicked. She has recently been diagnosed with anxiety by her GP and started on prn lorazepam.
A 58 year old female presents to your ED with a 2 week history of cough and 12 hours of SOB, light headedness. She has a history of breast cancer 2 years ago and has had a mastectomy.
BP 80 systolic
T 40.5 degrees celsius
Describe and Interpret her arterial blood gas (FiO2 28%) Continue reading
This patient has a compensated respiratory alkalosis Continue reading
A 60 year old man is brought to your ED from a burning factory. He was found uncoscious in the building.
RR 8/min, O2 sats 99, on 15litres non rebreather
Describe and Interpret his ABG Continue reading
Here are a list of causes of acid-base disorders with some handy mnemonics to help remember them:
Here we provide a general systematic approach to interpretation of blood gases:
Describe and interpret this arterial blood gas:
History: 45y male found in his garage. Brought in by ambulance with altered mental state. His arterial blood gas on arrival (FiO2 = 0.21%):
pH 6.90 Na 153
pCO2 20 K 4.1
pO2 115 Cl 109
HCO3 4.0 Glucose 5.2
COHb <1.0% Urea 5.5
Ethanol <0.01% Osmolality 335