…poorer absorption. Injection into an arm with a dialysis fistula. Preparation and equipment Hand disinfection; gloves where there is a risk of blood contact. An…

…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…

…effect varies tenfold between individuals, and the only way to find the right level is to give a small dose, wait until it has worked…

…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…

…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…

…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…

…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…

…through intimal thickening. DES release antiproliferative and anti inflammatory agents from the stent surface and have substantially reduced this process compared with BMS. Neoatherosclerosis Neoatherosclerosis…

…an atherosclerotic plaque may also release atherosclerotic debris downstream, causing microvascular embolization (i.e occluding smaller vessels downstream). The thrombosis causes occlusion of the artery…

…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…

…Objective evidence of myocardial ischaemia. Absence of obstructive coronary artery disease, defined as no stenosis exceeding 50% diameter reduction and/or an FFR 0.80…

…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…

…cTnI is the most cardiac specific biomarker. Troponin T (cTnT) is cardiac specific but the cTnT assays also detect proteins released from skeletal muscle. Consequently…

Cardiology Principles of myocardial perfusion imaging Myocardial perfusion imaging (MPI) is a non invasive technique for detecting and quantifying coronary artery disease (CAD). It offers…

…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…

…10.0 μg/kg/min + ++++ + +++++ Intermediate dose dopamine activates β1, releases noradrenaline and thereby increases contractility and chronotropy, with a slight rise in SVR…

…the posterior triangle of the neck, and the superficial nerves of the forearm and the dorsum of the hand. Preparation and equipment Chlorhexidine in alcohol…

…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…

…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…