…8%. This implies that approximately one third of the patients who ultimately had a favorable neurological recovery exhibited an abnormal pupillary reflex upon initial examination…

…to histamine release, not allergy. Concurrent MAO inhibitor, particularly with pethidine. Caution: untreated sleep apnoea, a concurrent benzodiazepine or gabapentinoid, marked hypovolaemia, head injury with…

…preparations: in practice within about 1 hour. Tablets and solid preparations: up to about 2 hours. Modified release preparations, anticholinergics, opioids and salicylate — where gastric…

…remains consequential, and historically 2–6% of patients discharged with presumed non ischaemic chest pain were subsequently found to have had an infarction. Pathophysiological Considerations…

…infarction (AMI), in which myocardial ischaemia is accompanied by cardiomyocyte necrosis and cardiac troponin release meeting the criteria of the universal definition of MI. Clinically…

…a dialysis patient, in severe acute kidney injury, in treatment failure or in ongoing massive potassium release. In cardiac arrest with suspected hyperkalaemia, advanced life…

…around the clock for health care professionals. Contact the centre early in serious, unusual or unclear poisoning, with modified release preparations, mixed poisoning, pregnancy, children…

…injury is separate from MI. It refers to cardiac troponin release that does not fulfil the criteria for ischaemic myocardial infarction. It may be acute…

…recurrent narrowing within a previously implanted coronary stent. It represents a form of arterial hyperplastic disease arising after percutaneous coronary intervention (PCI). In contemporary practice…

…markers of myocardial wall stress. They are released principally by ventricular cardiomyocytes in response to increased transmural stress and ventricular stretch. Atrial natriuretic peptide is…

…which results in thrombus formation (Figure 1). Disruption of an atherosclerotic plaque may also release atherosclerotic debris downstream, causing microvascular embolization (i.e occluding smaller…

…or an arm circumference above 35 cm, a 38 mm needle is required to reach the deltoid muscle. With a 25 mm needle the dose…

…modified release preparation before the daily requirement is known. Duplication. Check that the patient is not already on an opioid patch, a modified release tablet…

…this pattern. Endothelial dysfunction may contribute to both microvascular and epicardial vasomotor disorders. Endothelial activation can promote the release of adhesion molecules, inflammatory cytokines, and…

…injury. Mechanisms of troponin release Troponin I and troponin T are components of the myocardial contractile apparatus and are expressed predominantly in cardiac muscle. Troponin…

…if more than one hour has elapsed post ingestion unless the ingested substance has the propensity to form bezoars or is a sustained release formulation…

…cardiac specific but the cTnT assays also detect proteins released from skeletal muscle. Consequently, skeletal muscle damage or inflammation may result in elevated cTnT levels…

…and myogenic responses, where vascular smooth muscle constricts or dilates in response to changes in intraluminal pressure. Coronary blood flow is also influenced by sympathetic…

…and Pathophysiological Basis High sensitivity cardiac troponin (hs cTn) assays detect circulating troponin released from injured cardiomyocytes at substantially lower concentrations than earlier generation assays…

…0 μg/kg/min. + ++++ + +++++ Medium dose dopamine activates β1, releases norepinephrine and thus increases contractility, chronotropy and mild increase in SVR. Ventricular arrhythmias Myocardial…

…0 μg/kg/min. + ++++ + +++++ Medium dose dopamine activates β1, releases norepinephrine and thus increases contractility, chronotropy and mild increase in SVR. Ventricular arrhythmias Myocardial…

…and a beta agonist without vascular effect. Catecholamine receptors Alpha 1 adrenergic receptors: expressed in vascular smooth muscle. Activation results in vasoconstriction and an increase…

…the skin perpendicular to the skin tension lines with the thumb and index finger — the biopsy defect then becomes oval when the skin is released…

…and atherosclerosis. Ectopic fat deposited around or within the heart and kidneys may exert direct compressive effects and releases additional inflammatory and profibrotic mediators. Perinephric…