Start here if cardiac arrest care still relies on instinct rather than measured CPR quality. The gain is early feedback pads, metronome support, rapid full release and a CPR coach, then using report card data to coach the next arrest better.

When non-shockable arrest keeps running, leadership can matter as much as the next intervention. This is worth opening for named roles, closed-loop communication, when frailty and absent reversibility support stopping, and why a hot debrief still matters after return of spontaneous circulation or death.

Traumatic cardiac arrest after a stab wound or major chest trauma needs more than one thoracotomy rule. This is the more specialist arrest listen, but it is sharp on tamponade versus exsanguination, how rhythm and witnessed physiology judge viability, and when ultrasound helps or delays chest opening.

Palpitations, syncope or prolonged QT on ECG should trigger a medication and electrolyte review before inherited disease is assumed. Open this for the Long QT syndrome type 2 trigger history, the limits of negative genetic testing, and why nadolol sits first line once diagnosis is made.

Food sticking after a meal becomes an emergency when saliva will not go down or perforation signs appear. This is a clear acute care listen on separating oesophageal obstruction from choking, asking about bones or sharp material, and not leaning on hyoscine butylbromide, glucagon or benzodiazepines.

Repeated coughs and colds in childhood can still be normal, especially around nursery or school. Open this when poor growth, chronic diarrhoea, persistent thrush or severe infection makes the story less ordinary, and when targeted tests should follow the history and examination.

Adolescent gender care becomes unsafe when diagnosis, comorbidity and expected benefit are blurred. Keep this for later unless you work in mental health or adolescent services; its main value is precise terms, body dysmorphic disorder caution, and honest consent and coordination before irreversible interventions.