…visual diameter reduction. Relevant determinants include: Lesion eccentricity Vessel tortuosity Calcification Plaque rupture or asymmetric filling defects Serial lesions Vessel size The relationship of the…

…zone. Coronary Occlusion and Myocardial Injury STEMI generally results from abrupt reduction in coronary blood flow caused by thrombotic occlusion of a previously atherosclerotic artery…

…A stress induced reduction in tracer uptake that improves at rest indicates reversible hypoperfusion and is consistent with inducible ischaemia. A persistent defect on stress…

…response Blood pressure reaction ECG reaction: ST changes, T wave changes, arrhythmias, conduction defects Cause of termination This article will discuss each of these six…

…limb leads. Click to zoom. Figure 4. Sinus bradycardia. Click to zoom. Treatment of sinus bradycardia Benign causes of sinus bradycardia (e.g. vasovagal reaction…

…an orthopaedic surgeon before attempting reduction. Posterior shoulder dislocation, which is often associated with fracture and requires an orthopaedic surgeon. Dislocation of a native hip …

…LDL C reduction required is greater than can reasonably be obtained with a statin alone but does not necessarily require the larger effect of a…

…while the benefits in conditions like osteoarthritis and obstructive sleep apnea primarily reflect the extent of weight loss, the reductions in hard cardiovascular outcomes (MI…

Psykiatri Akutsjukvård Lathundar Rapid summary Alcohol withdrawal occurs after an abrupt reduction or cessation of prolonged and heavy alcohol intake. The condition can develop despite…

…medicine Definition and pathophysiology Acute limb ischaemia (ALI) is an abrupt reduction in arterial perfusion of an upper or lower limb that causes tissue metabolic…

…progressive reduction of coronary blood flow sufficient to produce myocardial ischaemia and, when prolonged or severe, myocardial necrosis. It most commonly reflects atherothrombosis: disruption of…

…can be counteracted with simultaneous administration of beta blockers). Effects Induces arteriolar vasodilation without effects on venous circulation. The reduction in systemic vascular resistance (SVR…

…crisis. Mechanism of action Phentolamine is a non selective alpha adrenergic blocker. Phentolamine reduces blood pressure while increasing catecholamine activity. Effects Primarily causes afterload reduction…

…long term control. The treatment objective is individualized blood pressure reduction sufficient to reduce cardiovascular risk while preserving tolerability and daily function. Decisions should incorporate…

…By inhibiting the intracellular portion of its transmembrane pore, ivabradine reduces the slope of diastolic depolarisation and produces a dose dependent reduction in sinus rate…

…and acute coronary syndromes (ACS). Its principal therapeutic objective is reduction of low density lipoprotein cholesterol (LDL C), the primary lipid target in contemporary secondary…

…term to describe a reduction of blood flow to tissues and organs. A few decades later Cohnheim demonstrated that ligation of the left anterior descending…

…wall, usually through formation of an intramural haematoma that compresses the true lumen. The resulting reduction in coronary blood flow may produce myocardial ischaemia, acute…

…of LDL particles from the circulation. Statins also reduce production of apoB 100 containing lipoproteins and exert effects beyond LDL C reduction, including modulation of…

…4.0 cm 2 . Aortic stenosis is a progressive disease that leads to a gradual reduction in the orifice area. As the area is reduced…

…Drug Standard dose Reduced dose and criterion : : : Apixaban 5 mg twice daily 2.5 mg twice daily if at least two of: age ≥80 years…

…in atrial fibrillation Criteria for dose reduction according to FASS : : : Apixaban 5 mg × 2 2.5 mg × 2 if at least two of: age ≥ 80…

…immediately. Indications An undisplaced or reduced fracture to be treated conservatively. Immobilisation after reduction of a dislocation. Immobilisation of a ligament injury, a tendon injury…

…is given. The serious incidents almost always arise when the principle of titration is abandoned — when a fixed dose is given without assessment, when a…

…context of chronic kidney disease, ACE inhibitors slow the rate of decline of kidney function in a manner that extends beyond the reduction of systemic…

…negligible, and doses do not require reduction in patients with renal disease; neither amiodarone nor desethylamiodarone is dialyzable. The volume of distribution is large, averaging…

…although the overall reduction in ischaemic events outweighed the increase in serious bleeding in the populations studied. There was no evidence of a different aspirin…

…blood pressure reduction may also occur in selected people whose pressure is elevated but below the conventional hypertension threshold. The traditional diagnostic threshold of 140…

…sex in the overall trial analyses. Some data from a study of healthy women suggested a reduction in ischaemic stroke, particularly among women with stroke…

… the reduction in a subgroup with diabetes was approximately 19.1%. The drug also lowers hsCRP. In a population of individuals unable or unwilling to…

…the extent of reduction in cardiac output and arterial pressure and may include: Chest discomfort Fatigue Weakness Presyncope or syncope Exercise intolerance Symptoms of shock…

…is weak, particularly for intermediate lesions. Even lesions with a visual diameter reduction of 50–70% may or may not produce ischaemia. Conversely, some lesions…

…By contrast, hypertensive urgency describes severe hypertension without clinical evidence of acute, ongoing target organ damage. Although BP reduction is required, these patients generally do…

…associated with increased ASCVD risk. Management in this range therefore focuses principally on ASCVD prevention and reduction of LDL C, non HDL C and apolipoprotein…

…heterozygous familial hypercholesterolaemia. The broader therapeutic principle is that LDL C reduction is associated with cardiovascular benefit regardless of the pharmacological route used. In patients…

…renal sodium and water excretion, and reduction of cardiac fibrosis through activation of the natriuretic peptide A receptor. NT proBNP is an inactive cleavage product…

…depends on baseline cardiovascular risk and the magnitude of LDL C reduction. Thus, even a modest absolute reduction may be clinically important in individuals at…

…main stenosis is generally defined as a diameter reduction of at least 50%. Severe proximal disease of both the proximal left anterior descending and proximal…

…Symptoms suggestive of myocardial ischaemia. Objective evidence of myocardial ischaemia. Absence of obstructive coronary artery disease, defined as no stenosis exceeding 50% diameter reduction and…

…A reduction of at least 50% from baseline . The treatment sequence is generally: High intensity statin therapy at the highest tolerated dose. Addition of ezetimibe…

…Restoration of patency may be particularly relevant when the occluded artery supplies viable myocardium with demonstrable ischaemia. However, randomized evidence has not shown a reduction…

…activity Attenuation of oxidative stress, inflammation and fibrosis Reduction in body weight and haemoglobin A1c Increased uricosuria, with plasma uric acid reduction of approximately 10…

…coronary syndrome Reinfarction reduced by approximately 30–40%; death reduced by approximately 35–45% Peripheral artery disease Lower risk of progression to chronic limb threat

…initiation to restoration of coronary flow. Early reperfusion, reduction of myocardial energy requirements and mitigation of reperfusion injury are complementary objectives of initial STEMI management…

…coronary artery disease (CAD). It combines echocardiographic assessment of left ventricular (LV) structure and function with exercise or pharmacological stress. The physiological basis is an…

…Advanced Therapies : Consideration of endomyocardial biopsy or anti inflammatory therapies may be warranted in specific clinical contexts [4]. Reduction of Sympathetic Drive Modulating autonomic tone…

…a drop in blood pressure, and finally a reduction in heart rate. This sequence is characteristic of neurally mediated hypotension. Clinical Presentation and Symptoms Vasovagal…

…For every 1°C reduction in body temperature, there is a 6% decrease in oxygen consumption (Wood et al.). Evaluating the vitality of a hypothermic individual…

…on the size of the thrombus and the plaque. The patient will experience severe chest pain due to the abrupt reduction of coronary blood flow…

…occlusions; a partial occlusion results in a reduction of coronary blood flow and this causes subendocardial ischemia (i.e ischemia that only affects the subendocardium)…

…A substantial reduction in pulmonary perfusion and the subsequent reduction in left ventricular preload lead to a cascade of hemodynamic alterations which may culminate in…

…stunning . This is a protective mechanism since the cessation of contractions leads to a marked reduction in cell metabolism and thus prolongs survival. Myocardial stunning…

Referensvärden A diagnosis of hypertension is not made on a single reading. It requires repeated measurements on at least two occasions, and preferably confirmation by…

…Condition Overall strategy Common first choices : : : Acute aortic syndrome Immediate rate control and rapid reduction of the systolic blood pressure towards 100 to 120 mmHg…

…to a limb with arterial insufficiency can cause necrosis and, in the worst case, amputation. The decisive step is therefore not the choice of dressing…

…avoid cyanide toxicity. • Dose dependent reduction in coronary and renal perfusion. • Dose dependent elevation of intracranial pressure (ICP) and reduction in cerebral blood flow. Caution …

…The resulting mild reduction in blood pressure is often accompanied by a compensatory rise in cardiac output. Although these changes are usually of limited clinical…

Cardiology Myocardial ischemia and infarction Definition and pathophysiology Atherosclerosis is a chronic, inflammatory disease of the arterial wall in which lipid accumulation, vascular cell dysfunction…

…reflecting accumulated risk factors, age related reduction in cardiovascular reserve, and the increasing burden of comorbid disease. Heart failure with preserved ejection fraction becomes particularly…

…attention to the balance between reduction in ischaemic events and possible infectious or other non cardiovascular adverse outcomes. Mechanisms of action Colchicine Colchicine appears to…