…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…

…and subcutaneous tissue 2–3 cm to one side, inject, wait 10 seconds, withdraw the needle and release the skin. The displaced track prevents the

…is myocardial ischaemia caused by an acute coronary process. Myocardial injury leads to release of cardiac troponin, but troponin elevation is not specific for myocardial…

…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…

…symptoms, the rate of rise, renal function and the clinical context , not by the potassium value alone. A normal ECG does not exclude dangerous hyperkalaemia…

…or repeated a modified release preparation or a combination product concurrent drugs, alcohol and illicit substances weight, age, pregnancy and comorbidity renal and hepatic function…

…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…

…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…

…25–50 per cent and titrate. At a high dose, in old age or in renal failure, reduce it further. Starting doses in acute pain…

…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…

…sustained release formulation. Note: activated charcoal is ineffective against alcohols, lithium, and heavy metals. Enhance elimination Induce diuresis through urine alkalinization, contingent upon renal elimination…

…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…

…and parasympathetic influences; sympathetic stimulation leads to vasoconstriction through the release of norepinephrine, while parasympathetic activation can cause vasodilation via acetylcholine release. These mechanisms collectively…

…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…

…Careful electrocardiographic and hemodynamic monitoring with ECG, central vein catheter and intra arterial catheter (A line) is warranted. Overview of vasopressors and inotropes Inotropes and…

…Careful electrocardiographic and hemodynamic monitoring with ECG, central vein catheter and intra arterial catheter (A line) is warranted. Overview of vasopressors and inotropes Inotropes and…

…vasodilatation. D1 and D2 (dopamine receptors): activation of D1 and D2 in the kidneys and the splanchnic vascular bed leads to renal and mesenteric vasodilatation…

…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…

…increased vascular stiffness, impaired coronary circulation, vascular calcification and myocardial fibrosis further accelerate cardiovascular and renal injury. Adipokine imbalance contributes to insulin resistance, β cell…

…pupillary reflex. Importantly, pupillary size and reactivity are influenced by factors beyond neural activity. Systemic catecholamines released or administered during resuscitation can affect pupil to