What happens before the diagnosis arrives

Resuscitation

The first ten minutes

A patient arriving in extremis is managed by structure, not intuition. Airway, breathing, circulation, disability, exposure — worked in order, out loud, with one person leading and everyone else knowing their role. The ATLS framework exists precisely because panic is a poor algorithm. In practice that means simultaneous assessment and intervention: securing an airway while blood is being cross-matched, controlling haemorrhage while imaging is being arranged, and continuously reassessing because the patient in front of you at minute ten is not the one who arrived.

The airway

The one thing that cannot wait

Every other problem in emergency medicine allows some margin. The airway does not. Rapid sequence intubation demands preparation measured in seconds — pre-oxygenation, drug selection matched to the patient's physiology, a plan, and a plan for when the plan fails. Difficult-airway algorithms are rehearsed rather than improvised, and the decision to move to a surgical airway is one that has to be made before it feels comfortable to make it.

Point-of-care ultrasound

Answering the question at the bedside

PoCUS has changed emergency medicine more than almost any other tool of the last two decades. An eFAST scan finds free fluid in a trauma patient in under two minutes. A focused cardiac view distinguishes a tamponade from a pulmonary embolus from an empty ventricle. A lung scan separates pulmonary oedema from a pneumothorax without moving the patient to radiology. It does not replace formal imaging; it tells you what to do in the interval before formal imaging is possible.

Time-critical protocols

Where minutes are measured

Stroke and myocardial infarction are treated against the clock, and the clock starts before the patient reaches hospital. NIH Stroke Scale scoring, rapid CT, and a decision on thrombolysis. Door-to-balloon coordination with cardiology for STEMI. These pathways succeed or fail on logistics as much as medicine — on whether the scanner is free, whether the cath lab has been pre-alerted, and whether the person leading the resuscitation is also tracking the elapsed minutes.