…but their release is not specific to left ventricular systolic dysfunction. Levels may also rise with: Left ventricular diastolic dysfunction Valvular heart disease Pulmonary hypertension…

…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…

…An alcohol or chlorhexidine swab. Let the skin dry completely before inserting the needle — alcohol carried in with the needle stings. Needles of the correct…

…and releases additional inflammatory and profibrotic mediators. Perinephric fat is associated with hypertension and blood pressure variability, while obesity and hypertension together promote left ventricular…

…and 6 mm. A size 15 scalpel, a double edged razor blade or a flexible shave blade. Artery forceps, toothed surgical forceps, scissors, a needle…

…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…

…a fixed dose is given without assessment, when a modified release preparation is started in an opioid naive patient, or when a conversion between drugs…

…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…

…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…

…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…

…Criteria Acute myocardial infarction is the most severe complication of coronary artery disease. The most common initiating mechanism is rupture or erosion of a vulnerable …

…Oxycodone PO 5–10 mg as needed The first choice among the common opioids in renal failure Ketobemidone IV 2.5–5 mg Oral bioavailability…

…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…

…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