Anaesthesia Coffee Break LIVE MCQ session with Dr Stan #1
May 16, 2022
Stan Tay, an experienced anaesthesia educator, leads a live MCQ session tackling complex anaesthesia topics. He dives into drugs affecting folate metabolism, exploring how certain medications impact dihydrofolate reductase. The duo discusses nuances of glucose discrepancies in diabetic patients and practical details about peripheral nerve stimulators. They also examine catecholamine triggers and outline the pharmacological effects of morphine. Perfect for trainee anaesthetists, this session blends critical concepts with engaging problem-solving.
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Impromptu Live MCQ Session Context
- Stan began the session informally after camping and celebrating exam pass rates with beers, which made the session impromptu.
- He apologised for going off script and emphasised the live, unscripted nature of the MCQ run-through.
Drugs That Disrupt Folate Metabolism
- Remember drugs that inhibit dihydrofolate reductase include methotrexate, pyrimethamine and trimethoprim.
- Avoid assuming common antibiotics (tetracycline), NSAIDs, or vitamin B12 affect folate metabolism.
Practical Tips For Nerve Stimulator Blocks
- For peripheral nerve stimulation use two leads (skin and needle) and short pulses of 1–2 milliseconds.
- Aim for 0.25–0.5 mA and use insulated needles to improve block success by focusing current at the tip.