…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…

…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…

…image of the tissue, the ultrasound machine must overcome the following technical obstacles. The ultrasound machine must know which sound waves are reflected and from…

…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…

Cardiology Introduction Since its initial description in 1992 as a syndrome of right bundle branch block, ST segment elevation, and sudden cardiac death (SCD), Brugada…

…venous outflow and persistent right sided congestion may be important mechanisms. Diuretics relieve the hemodynamic consequences of congestion by producing a negative sodium and water…

…malignant than anomalous origin of the right coronary artery. High risk anatomical features include: An interarterial course between the aorta and pulmonary artery A slit…

…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…

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

…thrombus is pumped from the right ventricle through the pulmonary valve into the main pulmonary artery. Depending on the size and form of the thrombus…

…depression, or untreated severe respiratory failure without the possibility of monitoring. Paralytic ileus and suspected obstructive ileus (an opioid can be given for the pain…

…paradoxus. Tamponade is therefore characterized haemodynamically by elevation and near equalization of diastolic pressures in the cardiac chambers, with chamber pressures approaching intrapericardial pressure. The…

…to BNP and NT proBNP in heart failure (HF). The biologically active natriuretic peptides promote vasodilation, renal sodium and water excretion, and reduction of cardiac…

…2. Sinus bradycardia, two premature ventricular contractions, incomplete right bundle branch block and ST segment depressions in V2 V6. Click to zoom. Figure 3. Sinus…

…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…

…a complication of rheumatic fever, which is caused by streptococcal infections (group A Streptococcus ). Rheumatic heart disease can occur at any age and multiple valve…

…Immobilisation after reduction of a dislocation. Immobilisation of a ligament injury, a tendon injury, or after suturing over a joint. Pain relief and stabilisation for…

…A history of a severe transfusion reaction: contact transfusion medicine before transfusing again. Preparation and equipment Compatibility testing Test What it involves When it is…

…tamoxifen or lithium, thiazide administration, and over supplementation of calcium and vitamin D. ECG in hypercalcemia Typical ECG changes: Shortened QT interval. Attenuated T wave…

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

…intensity of the physical activity. It is based on the subjective physical sensations experienced during exercise, including increased heart rate, increased respiratory rate and depth…

…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…

…will experience severe chest pain due to the abrupt reduction of coronary blood flow. Acute coronary syndromes are subdivided into STE ACS and NSTE ACS …

…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…

…to construct images with high spatial and temporal resolution. PET offers higher spatiotemporal quality, as compared with SPECT. Quantification of blood flow using PET Quantitative…

…consumption and thus infarct size. Beta blockers may limit or even reduce infarct size, which is generally attributed to its reduction of heart rate and…

…8. Document the ceiling of care and the decision on intubation early. Initial assessment Confirm that the presentation fits an exacerbation A COPD exacerbation is…

…data beyond perfusion imaging and ECG reaction. Coronary blood flow and coronary flow reserve (CFR) Coronary blood flow is the volume of blood flowing through…

…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…

…C <1.4 mmol/L (<55 mg/dL), and at least a 50% reduction from baseline. For a patient who experiences a recurrent atherothrombotic event…

…the sum of all contractions results in a reduction of the diameter and length of the ventricle by 20%, and more than 60% of the…

…return) of ST segment elevations. If the reperfusion is complete (after a total occlusion) the ST segment is normalized within one hour, and this confirms…

…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…

…developing systemic hypersensitivity reaction that can cause life threatening compromise of the airway, breathing or circulation. Skin symptoms may be absent, and circulatory shock does…

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…

…hydroxide ions are generated at the negative pole of the battery and produce a liquefactive necrosis that can reach the septal cartilage within a few…

…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…

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

…sinus rhythm and a heart rate above 70 beats/min. The reduction in the combined outcome of cardiovascular death or heart failure hospitalisation was related…

…growing body of science suggests that essential hypertension is a multifactorial disease caused by a complex interplay between genes and environment. Industrialization and a Western…

…SVR) is rapid and may cause reflex sympathetic stimulation, including tachycardia. May therefore induce or worsen angina pectoris. The rapid reduction of afterload is desired…

…<1.4 mmol/L (<55 mg/dL); and A reduction of at least 50% from baseline. In patients who experience a recurrent atherothrombotic or cardiovascular…

…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…

…C) and other apoB containing lipoproteins in atherosclerotic cardiovascular disease (ASCVD). Atherosclerosis develops through the progressive deposition and retention of LDL C and other apoB…

…therefore focuses principally on ASCVD prevention and reduction of LDL C, non HDL C and apolipoprotein B. Causes and secondary contributors A search for secondary…

…5. Ask the patient to flex the head forward and swallow repeatedly , preferably with sips of water if swallowing is safe. Advance the tube in…

…of foods habitually consumed rather than isolated nutrients considered independently. For cardiometabolic health, the most favourable patterns generally contain more minimally processed, fibre rich and…

…a proportional reduction in cardiovascular harm. Complete cessation is therefore the preferred therapeutic endpoint. The cardiovascular benefits of cessation extend across primary and secondary prevention…

…of a central reflex produces a stereotypic response: an initial increase in heart rate, followed by a drop in blood pressure, and finally a reduction…

…Heart Failure and Early Post Discharge Management The STRONG HF trial demonstrated the safety and efficacy of an approach based on starting and titrating oral…

…and delayed intensification of lipid lowering therapy may leave patients exposed to avoidable risk. Contemporary guidance therefore supports an early, intensive approach: treatment should begin…

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

…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…

…reduction of approximately 10% to 15% Possible effects on erythropoietin activity and erythropoiesis SGLT2 inhibition may also activate adenosine 5′ monophosphate activated protein kinase and…

…increased workload STATUS OF CORONARY ARTERY SETTING EFFECT ECG REACTION Normal coronary artery (no atherosclerosis) At rest Oxygen supply is adequate and ischemia cannot occur…

…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…

…of apoB 100 containing lipoproteins and exert effects beyond LDL C reduction, including modulation of inflammation, oxidative stress, endothelial function, plaque stability, thrombogenic responses and…

…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…