…second problem is added: transfusion saves no one whose bleeding is not stopped, and it is the time to haemorrhage control that determines the outcome…

…2 agonist. Stimulation of alpha 2 adrenoceptors in the ventromedial and rostral ventrolateral areas of the medulla result in the blood pressure lowering effect. Effects…

…maintenance treatment. The source material does not specify the loading dose. Efficacy and harms In secondary prevention trials involving patients with previous vascular disease, aspirin…

…photons emitted in opposite directions. PET scanners detect these gamma rays to construct images with high spatial and temporal resolution. PET offers higher spatiotemporal quality…

…soon as it is safe to do so after the endoscopy. Fluid and monitoring Use a balanced crystalloid in the first instance. Give small boluses…

…and cardiac amyloidosis using appropriate radiopharmaceuticals. Functional perfusion imaging primarily identifies haemodynamically important disease. Non obstructive coronary atherosclerosis not associated with demonstrable ischaemia may therefore…

…exercise. Thus, supply and demand are balanced and no ischemia occurs. (Some individuals display a benign form of ischemia located in the subendocardium during exercise…

…does not by itself identify the cause. The result must always be weighed together with the clinical picture, medication, fluid balance, renal function, electrolytes and…

…failure have preexisting hypertension. The relationship between blood pressure and outcome in older adults is not linear at very low pressures. Excessive reduction in diastolic…

…coronary anatomy, myocardial ischaemia, ventricular function and the anticipated benefit–risk balance of revascularization. Coronary angiography remains primarily an anatomical examination, whereas contemporary decision making…

…TIA and arrhythmia, among others. Acute severe balance disturbance without nystagmus: HINTS does not apply. Assess gait and truncal stability and investigate for a central…

…stroke, meningitis and a postictal state. 3. Check a repeat plasma sodium if the result is unexpected or does not fit the clinical picture. 4…

…with a score of 1 or more. Patient preference and risk benefit balance determine whether treatment is initiated. High No treatment High 2 Oral anticoagulation…

…instead in patient selection. Because implantation entails appreciable cost and procedural risk, the risk benefit balance depends almost entirely on the capacity to identify, prospectively…

…also describes possible antiarrhythmic effects, associated with reductions in sudden cardiac death and atrial fibrillation. Dietary quality also affects energy balance. Highly processed foods may…

…sodium and water balance. They can reduce jugular venous pressure, pulmonary congestion, peripheral edema and body weight, often within days. However, diuretic treatment has not…

…stent thrombosis in this setting. The duration of therapy requires an individualized balance between: Ischaemic risk, including recurrent myocardial infarction and stent thrombosis. Bleeding risk…

…thrombus, although haziness is not specific. Intravascular imaging can identify plaque disruption, thrombus and other structural features that may not be evident on angiography alone…

…oxygen supply is easy). Thus, the theory regarding supply/demand balance has always been conceptual and lacks scientific evidence. As suggested by Heusch, [1] this…

…stents do not prevent the development of new proximal atherosclerosis. The choice between procedures therefore depends on the balance between: Anatomical completeness and complexity of…

…macrophages, neurons and other tissues. This distribution helps explain why PA produces cardiovascular injury beyond its effects on blood pressure and potassium balance. The principal…

…Management is governed not by the creatinine value alone but by the course, urine output, volume status, electrolytes, acid base status and the underlying cause…

…thereby decreasing the likelihood of arrhythmia onset. However, beta blockers do not fully eliminate the risk. In LQT3 patients, where arrhythmias often occur at rest…

…thereby decreasing the likelihood of arrhythmia onset. However, beta blockers do not completely eliminate the risk. In LQT3 patients, where arrhythmias often occur at rest…

…a structural scaffold. Smooth muscle cells and fibroblasts contribute to matrix production, while inflammatory cell proteinases degrade matrix constituents. The balance between synthesis and degradation…

…underlying comorbidities, supervised muscle strengthening physiotherapy, exercise, and coordination and balance training. Orthostatic Blood Pressure Measurement Before starting or intensifying blood pressure treatment, orthostatic hypote

…trials did not establish a mortality benefit. Consequently, the decision to prescribe colchicine requires attention to the balance between reduction in ischaemic events and possible…

…the balance between procedural risk and benefit. An early invasive strategy is not recommended when the risks of revascularization outweigh its expected benefits. Haemodynamic and…

…programme should incorporate four domains: Aerobic activity Strength training Balance exercises Flexibility exercises Walking, yoga and gardening may provide useful activity for individuals who are…

…respiratory arrest, brainstem herniation and death. Table 2. Grading of hyponatremia. Hypernatremia Hypernatremia does not cause cardiac arrest. Calcium imbalance Hypercalcemia Definition : P/S Ca…

…thrombus (pro thrombolytic factors). The balance between pro thrombogenic and pro thrombolytic factors varies from one minute to another, which may cause variations in the…

…condition. This has prompted researchers to develop strategies and tools for long term prevention of cardiac arrest. Unfortunately, these efforts have not borne fruit. Our…