1.
A 19-year-old with type 1 diabetes presents with DKA. Labs: pH 7.15, glucose 24 mmol/L, K⁺ 5.2 mmol/L. What is the most appropriate initial insulin regimen?
2.
A 56-year-old male with COPD presents with increasing dyspnoea and confusion. His ABG shows pH 7.29, pCO₂ 65 mmHg, pO₂ 50 mmHg on 2L O₂ via nasal cannula. What is the next best step in management?
3.
A 32-year-old woman delivers vaginally and loses 900ml of blood within 20 minutes. Her uterus is firm. What is the most likely cause of bleeding?
4.
A 24-year-old female presents after a paracetamol overdose. She has a history of depression, was recently fired, and lives alone. She is calm and cooperative in the ED. Which factor most increases her suicide risk?
5.
A 70-year-old female post-op hysterectomy patient is febrile (39.2°C), BP 88/54 mmHg, HR 125 bpm, and has a lactate of 3.9. According to the Sepsis Six protocol, what is the most time-critical first intervention?
