…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…

…significant epicardial CAD is conventionally defined as stenosis of at least 70%, while a left main coronary stenosis of at least 50% is considered significant…

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

…overcoming the resistance in the stenosis and maintaining adequate stroke volumes. Thus, ventricular hypertrophy is a compensatory mechanism, the purpose of which is to maint

…left main stem or proximal left anterior descending artery are more likely to affect flow because they supply a larger myocardial territory. The response of…

…radiotracers emit gamma photons directly. These gamma rays are detected by gamma cameras to create tomographic images of the left ventricle. In PET (Positron Emission…

…high vagal tone. These individuals have developed a highly efficient left ventricle, capable of generating sufficient cardiac output at low heart rates. During vasovagal syncope…

…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…

…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…

… gloves where there is a risk of blood contact. An alcohol or chlorhexidine swab. Let the skin dry completely before inserting the needle — alcohol carried…

…tunica adventitia , respectively. Figure 1. Layers of the left ventricular wall, pericardium and ventricular cavity. The endocardium The endocardium lines the atria, ventricles and the…

…first half of the P wave is therefore a reflection of right atrial activation and the second half is a reflection of left atrial activation…

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

…with or without left ventricular hypertrophy. Among patients with NSTE ACS undergoing angiography, approximately 10% have no critical epicardial stenosis. In some of these patients…

…change (% reduction) in left ventricular diameter during systole. It is considered a poor measure of systolic function; it is only reliable if the left ventricle…

…left ventricle is usually considerably larger than the right ventricle, the QRS complex is actually a reflection of the electrical potentials generated by the left…

Echocardiography Generating the ultrasound image The ultrasound transducer generates short bursts (pulses) of ultrasound waves. Reflected ultrasound waves are analyzed by the machine during the…

…the left ventricle is many times larger than the vector generated by the right ventricle, the QRS complex is actually a reflection of left ventricular…

…are robust indicators of successful reperfusion (patent artery). This is also associated with better prognosis, return of R wave amplitudes, and improved left ventricular function…

…the full range of left ventricular ejection fraction and may result from systolic dysfunction, diastolic dysfunction, or both. The clinical consequences of extracellular volume expansion…

…blocker exposure. The incidence of cardiogenic shock complicating STEMI has fallen with prompt reperfusion and reduction of infarct size. Earlier estimates approached 20%, whereas contemporary…

…first half of the P wave is therefore a reflection of right atrial depolarization and the second half is a reflection of left atrial depolarization…

…Discharge Management The STRONG HF trial demonstrated the safety and efficacy of an approach based on starting and titrating oral medical therapy for heart failure…

…These individuals exhibit pronounced hypertrophy, resulting in a reduction of ventricular volume and subsequently an increase in ejection fraction. Stroke volumes are generally reduced in…

…occurs when intrapericardial pressure equals or exceeds right atrial pressure. The haemodynamic consequences are progressive impairment of right and left sided filling, reduced stroke volume…

…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…

…insufficiency and cardiovascular disease, irrespective of diabetes status The clearest and most consistent cardiovascular signal is reduction in hospitalization for heart failure. Benefits also include…

…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…

…should therefore prompt consideration of systemic arteriopathy rather than being regarded solely as an isolated coronary event. SCAD predominantly affects the left sided coronary circulation…

…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…

…The resulting haemodynamic congestion produces a characteristic clinical phenotype of breathlessness, fatigue and oedema. This definition does not depend on left ventricular ejection fraction (LVEF)…

…induced myocardial ischaemia. Detect and characterize myocardial scar. Estimate the risk of major adverse cardiovascular events. Assess left ventricular volumes, regional wall motion, and ejection…

…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)…

…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…

…than percutaneous coronary intervention (PCI). A CTO may be discovered incidentally during diagnostic angiography. Collateral vessels may maintain distal perfusion and permit visualization of the…

…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…

…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…

…consequences of diabetes may present through any major cardiovascular phenotype: CAD, including chronic coronary syndromes and acute coronary syndromes HF across the spectrum of left…

…the rest. Support your working hand against the patient's zygoma or the bridge of the nose. 4. Approach tangentially from the periphery , never through…

…hours duration): Due to cellular adaptations, rapid correction carries the risk of inducing osmotic demyelination syndrome (ODS). It is therefore recommended to raise serum sodium…

…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 …

…integrated assessment of six components: Symptoms Exercise performance (functional capacity, exercise capacity) Heart rate: maximal heart rate, heart rate response Blood pressure reaction ECG reaction:…

…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…

…for defining the extent of coronary artery disease because it provides anatomical information while permitting functional assessment and, when appropriate, immediate percutaneous coronary intervention (PCI…

…92 percent until the risk of hypercapnia has been assessed. 3. Take an arterial blood gas in respiratory compromise, low saturation, suspected carbon dioxide retention…

…functional) capacity. Functional capacity is a strong predictor of both cardiovascular and overall mortality, offering incremental prognostic data beyond perfusion imaging and ECG reaction. Coronary…

…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…

…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…

…A1c (HbA1c) reduction, blood pressure, lipids and smoking cessation. Weight loss was considered extremely difficult across patient categories. However, the emergence of incretin based therapies…

…category of elevated blood pressure, defined as office SBP 120–139 mmHg or DBP 70–89 mmHg. This distinction supports a risk based approach because…

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…

Akutsjukvård Lathundar Basic principle Anaphylaxis is a rapidly developing systemic hypersensitivity reaction that can cause life threatening compromise of the airway, breathing or circulation. Skin…

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…

…The urgency varies: Object Urgency : : Button battery Immediately — leakage of fluid causes a chemical burn Two or more magnets (including in different nostrils) Immediately — pressure…

…to 15 minutes as necessary. Continuous infusion: Start infusion at 0.1 mg/min and increase in increments of 0.1 mg. Adverse effects Tachycardia…

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

…70 beats/min. The reduction in the combined outcome of cardiovascular death or heart failure hospitalisation was related to the magnitude of heart rate reduction…

…this form of hypertension was a physiological reaction that was necessary to maintain normal hemodynamics, hence the term essential . However, a growing body of science…

…6 hours. Infusion • Afterload reduction : Start infusion at 1 mg/hour. Increase by 0.5 mg/hour every 20 min to desired blood pressure. Maximum…

…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…