A 56 year old presents unwell They are diagnosed with a hypertensive crisis. You decide to start sodium nitroprusside What best describes the mechanism of action of this drug?

A 43 year old Afghan national presents to the ED with a four month history of cough, weight loss and night sweats What test is most consistent with active tuberculosis?

A patient presents with unilateral tongue swelling with no additional signs of allergic reaction She is on multiple cardiac medications Which drug is most likely to have caused these symptoms?

A patient is noted to have a low sodium level. The urinary biochemistry suggests a diagnosis of syndrome of inappropriate anti-diuretic hormone secretion.
Which of these medications is the most likely cause of this abnormality?

A 60 year old woman presents following blunt trauma to her abdomen A CT scan demonstrates herniation of small intestine into the chest At what site is the diaphragmatic injury most likely to have occurred1?