…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…
60+ träffar
…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…
…during purely diagnostic angiography. Elective PCI has reported mortality of 0.1–0.3%, large myocardial infarction in fewer than 3%, and stroke in 0…
…to rupture characteristically contain a large lipid pool, numerous macrophages or foam cells, and a thin fibrous cap. Disruption of the cap exposes the lipid…
…left ventricle is many times larger than the vector generated by the right ventricle, the QRS complex is actually a reflection of left ventricular depolarization…
…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…
…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…
…speed of 25 mm/s. Figure 1. Sinus bradycardia. Paper speed 25 mm/s. Calculate the rate by dividing 300 by the number of large…
…a one quarter reduction in major cardiovascular events over 7 years compared with a low fat diet. In primary prevention, a large randomized trial involving…
…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…
…symptoms Typical SAMS consists of: Symmetric muscle pain Muscle aching or soreness Weakness, often perceived or functional Predominant involvement of large proximal muscle groups Symptoms…
…accumulation of fat, smooth muscle cells, fibroblasts and extracellular matrix beneath the endothelium. Plaques that are particularly prone to rupture characteristically contain: a large lipid…
…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…
…compliance of the pericardium. Rapid accumulation may cause tamponade with a relatively small volume, whereas a slowly enlarging effusion may reach a much larger size…
…parameter of the stress test. The ECG reaction is indeed important but several other parameters are equally important. In fact, a large body of evidence…
…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…
…Indications Acute urinary retention. Chronic urinary retention with renal impairment or a large residual volume. A need for accurate measurement of urine output in a…
…Trials evaluating abbreviated DAPT have generally shown a reduction in bleeding, but some have also demonstrated increased ischaemic complications. In a large network meta analysis…
…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…
…the conjunctiva or the cornea. Never use a cotton bud on an embedded corneal foreign body — it scrapes away a large area of epithelium. 3…
…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…
…L) — choose the subcutaneous route if possible, otherwise give IM with a fine needle and 5 minutes of compression. Anticoagulant treatment is not in itself…
…the left ventricle is usually considerably larger than the right ventricle, the QRS complex is actually a reflection of the electrical potentials generated by the…
…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…
…The first half of the P wave is therefore a reflection of right atrial depolarization and the second half is a reflection of left atrial…
…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…
…artery. Depending on the size and form of the thrombus, it will occlude the main pulmonary artery or its branches. The larger the thrombus, the…
…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…
…Refraction artifact Reflection and refraction occur when ultrasound passes tissue boundaries. Tissue boundaries represent acoustic reflectors at which some of the ultrasound energy is reflected…
…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…
…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…
…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…
…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…
…reduction of the ST segment elevation by 50%) within 60 minutes after administration of thrombolysis. Otherwise, one must consider rescue PCI. For the purpose of…
…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…
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…
…Congestion is a central expression of the heart failure syndrome and reflects excessive retention of sodium and water, with expansion of both the intravascular and…
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…
…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…
…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…
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…
…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] …
…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…