…Time to onset of action: 2 to 5 minutes Duration of action: 5 to 10 minutes. Adverse effects Headache (cerebral vasodilation). Tachycardia (due to reflex…

…ICP) and reduction in cerebral blood flow. Caution • Used cautiously in patients with high intracranial pressure or azotemia. • Should not be given to pregnant women…

…coronary and cerebral perfusion, and ventilation of the lungs during cardiopulmonary resuscitation (CPR) differ substantially from normal circumstances. The purpose of CPR is to create…

…to rapid brainstem hypoxia. As a result, pupils often dilate widely within 30–120 seconds of cardiac arrest and light reactivity is lost when cerebral…

…These estimates should be viewed as approximations due to the following: Registry data indicate that survival is possible with longer periods of no flow ( Rawshani…

…main clinical rule Two questions determine the initial management: 1. Does the patient have severe neurological symptoms that may be due to the hyponatraemia? 2…

…manifestations of systemic atherosclerosis. The principal clinical concern is cerebral embolism or haemodynamic compromise leading to transient ischaemic attack (TIA) or stroke. The risk associated…

…intravenous drugs. Such treatment has not been shown to improve the prognosis and can cause hypotension, acute kidney injury, myocardial ischaemia or cerebral hypoperfusion. Pain…

…rapidly with intravenous drugs. Restart or optimise oral treatment and ensure follow up. Rapid lowering can worsen cerebral, coronary and renal perfusion, particularly in patients…

…in traumatic brain injury Cerebral perfusion pressure (CPP) 60–70 mmHg CPP = MAP − ICP RASS −2 to 0 Lightly sedated to awake and calm…