If symptoms persist after appropriate management, the ANZAAG Differential Diagnosis Card is helpful for ruling out other causes based on the clinical picture. 🧐📈
🔺 4 Hs & 4 Ts (see our CS article on Causes of Cardiac Arrest)
👉🏾 Difficulty ventilating?
🔺 Oesophageal intubation - confirm ETCO2
🔺 Circuit/ventilator issue - try self-inflating bag
🔺 Airway kinked/blocked - check +/- replace
🔺 Tension pneumothorax - diagnose with ultrasound +/- decompress
🔺 Asthma exacerbation - see “refractory management card”
🔺 Foreign body - consider bronchoscopy
🔺 Acid aspiration - consider bronchoscopy
🔺 Vasodilation (drug related)
Ref: https://media.anzaag.com/2022/11/22150343/Card-5-Differential-Diagnosis-Nov2022.pdf
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