…drugs . The diagnosis rests on the history, a positive Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre…

…which needle is chosen, and that the tubes go to the right place. In suspected bacterial meningitis it is the time to antibiotics that saves…

…other adverse comorbidity. The classification of acute PE comprises four clinically useful groups: High risk PE , also termed massive PE, is defined by haemodynamic instability…

…or sudden cardiac death. The resulting extensive ischemia causes immediate myocardial stunning (akinesia) and electrical instability. Fewer than 1% of patients with ST elevation myocardial…

…cause of the arrhythmia already affects cellular function. This results in electrical instability which explains why ventricular tachycardia may progress to ventricular fibrillation. Left untreated…

…48 hours: primary PCI should be considered even if symptoms have subsided, particularly with continuing ischaemia, heart failure, electrical instability or a large area of…

…ranges from symptom free presentation to persistent chest discomfort, cardiac arrest, electrical or haemodynamic instability, and cardiogenic shock. ACS is distinct from myocardial infarction (MI…

…hypovolaemia, cardiac dysfunction, haemodynamic instability, anaemia and other nephrotoxic exposures may contribute to tubular injury, making attribution to contrast alone difficult. In patients with normal…

…or extrapolation from other fields (e.g. sepsis research) or physiological reasoning. Cardiac arrest care is advanced and should preferably only be conducted in specialized…

…bradycardia and reduced cardiac output. Bradycardia causing hemodynamic instability is a potentially life threatening condition and should be managed urgently. The risk of cardiogenic shock…