…considered part of the clinical cardiovascular phenotype. Weight reduction and increased physical activity can improve metabolic control and exercise capacity, even when cardiovascular event reduction…

…patient resists internal rotation. Check the axillary nerve: sensation over the lateral part of the deltoid before and after the reduction , together with the distal…

…are capable of normalizing their membrane potentials immediately as oxygen becomes available. Recall that ST segment elevations also become normalized as a part of the…

Procedurer The insertion itself is rarely the difficult part — it is the confirmation of the position that determines whether the tube is safe. A misplaced…

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…

…exploring electrode is located in front of the P wave vector ( Figure 2, right hand side). This article is part of the comprehensive chapter: How…

…with placebo, whereas approximately 10% of patients in registries and routine clinical practice report muscle symptoms. This discrepancy reflects, at least in part, the nocebo…

…the terminal part of the P wave is negative (Figure 1, upper panel). This negative deflection is generally <1 mm deep. The amplitude of the…

…why, or the patient at risk of carbon dioxide retention is given 15 litres on a reservoir mask and drifts off into a respiratory acidosis…

…bulges into the artery lumen and causes stenosis (reduction of the artery lumen). The reduction of the artery lumen causes limitations to the blood flow…

…haemorrhage control) planned in advance. A history of a severe transfusion reaction: contact transfusion medicine before transfusing again. Preparation and equipment Compatibility testing Test What…

…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…

…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:…

…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…

…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…

…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…

…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…

…reflection of the electrical potentials generated by the left ventricle. QRS duration QRS duration is the time duration from the start to the end of…

…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…

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…

…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…

…complex is actually a reflection of left ventricular depolarization. QRS duration is the time interval from the onset to the end of the QRS complex…

…by about 13% of their length, but the sum of all contractions results in a reduction of the diameter and length of the ventricle by…

…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…

…hemodynamic consequences of congestion by producing a negative sodium and water balance. They can reduce jugular venous pressure, pulmonary congestion, peripheral edema and body weight…

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…

…failure, pre eclampsia) — intravenous treatment with a controlled reduction, as a rule no more than 25% during the first hour. The exception is aortic dissection…

…Every foreign body in the ear canal or the nasal cavity must be removed. The urgency varies: Object Urgency : : Button battery Immediately — leakage of fluid…

…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…

…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…

…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…

…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…

…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…

…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…

…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…

…dioxide retention for the latter. The treatment is also time limited by its very nature: a patient who has not responded within a couple of…

…disease (ASCVD). Atherosclerosis develops through the progressive deposition and retention of LDL C and other apoB containing lipoproteins within the arterial wall. This initiates inflammatory…

…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…

…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…

Cardiology Clinical medicine Definition and Pathophysiology Dietary patterns are the overall combinations of foods habitually consumed rather than isolated nutrients considered independently. For cardiometabolic health…

…outcome Reported benefit of cessation Cardiovascular disease overall Substantial reduction in cardiovascular events and mortality Established coronary disease Approximately 36% lower risk of premature death…

…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…

…mutations in SCN5A lead to a reduction in the inward sodium current ($I {Na}$) and are identified in 20% to 30% of probands [7] …

…bradycardia. Click to zoom. Treatment of sinus bradycardia Benign causes of sinus bradycardia (e.g. vasovagal reaction, well trained athletes) do not require treatment. When…

…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…

…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…

…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…

…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…

…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…

…and infarction Myocardial ischemia: cellular changes, ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes use ATP (adenosine…

…risk of fluid retention and impaired kidney function). Patients with bronchial asthma, chronic obstructive pulmonary disease, hay fever, or nasal polyps (increased risk of hypersensitivity…

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…

…more events than a major reduction in risk among a small number of high risk individuals. This principle underlies the population approach to cardiovascular prevention…

…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…

…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…